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Llvm, version bump and links fixed #41

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979c3dd
add llvm option to triangle example
felipeasimos Oct 14, 2025
c7832a2
minimum zig version bump
felipeasimos Oct 14, 2025
0ccc6e1
fixed dependency links
felipeasimos Jan 2, 2026
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ b.getInstallStep().dependOn(&install_dll.step);
message: StringView,
userdata1: ?*anyopaque,
userdata2: ?*anyopaque
) callconv(.C) void {
) callconv(.c) void {
switch(status) {
.success => {
const ud_adapter: **Adapter = @ptrCast(@alignCast(userdata1));
Expand Down
6 changes: 6 additions & 0 deletions build.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,7 @@ const WGPUBuildContext = struct {
install_lib_dir: []const u8,
wgpu_mod: *std.Build.Module,
wgpu_c_mod: *std.Build.Module,
use_llvm: bool,

fn init(b: *std.Build) ?WGPUBuildContext {
const link_mode = b.option(std.builtin.LinkMode, "link_mode", "Use static linking instead of dynamic linking.") orelse .static;
Expand Down Expand Up @@ -212,6 +213,7 @@ const WGPUBuildContext = struct {
.install_lib_dir = b.getInstallPath(.lib, ""),
.wgpu_mod = wgpu_mod,
.wgpu_c_mod = wgpu_c_mod,
.use_llvm = b.option(bool, "use_llvm", "Force use of LLVM") orelse false,
};
}
};
Expand Down Expand Up @@ -247,6 +249,7 @@ fn triangle_example(b: *std.Build, context: *const WGPUBuildContext) void {
const triangle_example_exe = b.addExecutable(.{
.name = "triangle-example",
.root_module = triangle_example_exe_mod,
.use_llvm = context.use_llvm,
});
handle_rt(context, triangle_example_exe);

Expand Down Expand Up @@ -289,6 +292,7 @@ fn unit_tests(b: *std.Build, context: *const WGPUBuildContext) void {
const t = b.addTest(.{
.name = test_name,
.root_module = test_mod,
.use_llvm = context.use_llvm,
});
handle_rt(context, t);
if (context.libwgpu_path != null) {
Expand Down Expand Up @@ -333,6 +337,7 @@ fn compute_tests(b: *std.Build, context: *const WGPUBuildContext) void {
const compute_test = b.addTest(.{
.name = "compute-test",
.root_module = compute_test_mod,
.use_llvm = context.use_llvm,
});
handle_rt(context, compute_test);

Expand All @@ -347,6 +352,7 @@ fn compute_tests(b: *std.Build, context: *const WGPUBuildContext) void {
const compute_test_c = b.addTest(.{
.name = "compute-test-c",
.root_module = compute_test_c_mod,
.use_llvm = context.use_llvm,
});
handle_rt(context, compute_test_c);

Expand Down
130 changes: 65 additions & 65 deletions build.zig.zon
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
// This field is optional.
// This is currently advisory only; Zig does not yet do anything
// with this value.
.minimum_zig_version = "0.14.0",
.minimum_zig_version = "0.15.1",

// This field is optional.
// Each dependency must either provide a `url` and `hash`, or a `path`.
Expand Down Expand Up @@ -45,153 +45,153 @@
// .lazy = false,
//},
.wgpu_android_aarch64_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-android-aarch64-debug.zip",
.hash = "N-V-__8AAPQyVxT6i7mm0AzaidOZmgXO0JlVRTK4cIzdhiIJ",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-android-aarch64-debug.zip",
.hash = "N-V-__8AAODWkhXNqK9bNJttDnJOtuklZSMIVfDBxUrv-xAv",
.lazy = true,
},
.wgpu_android_aarch64_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-android-aarch64-release.zip",
.hash = "N-V-__8AAH5jwgMJj3SR-h6LEpl2nU1rEwl4tS6ZGvV4Kr_A",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-android-aarch64-release.zip",
.hash = "N-V-__8AAHLc1wNhiH07l4S8rp4j7wifjvHyDoZAcoeWJMoq",
.lazy = true,
},
.wgpu_android_armv7_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-android-armv7-debug.zip",
.hash = "N-V-__8AAPrsHxCJ4mgD4JYP4LlWrV8cgHLPzAdz5HePfW-0",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-android-armv7-debug.zip",
.hash = "N-V-__8AAJzNFRGJiH4NduSd92sNXebTKXAtuXOooIxRSiW7",
.lazy = true,
},
.wgpu_android_armv7_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-android-armv7-release.zip",
.hash = "N-V-__8AAHKm5wI40Gj43wFTj6iZnGz9id_y087a-jnfQBRi",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-android-armv7-release.zip",
.hash = "N-V-__8AAJjM9ALkIDACTSluw02ifbCuE1KKxFTSK9kLPRGj",
.lazy = true,
},
.wgpu_android_x86_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-android-i686-debug.zip",
.hash = "N-V-__8AAMD9TBCN2rrJG9dqTyQh0Wv9MWisv3bSIdoMH_VG",
.wgpu_android_i686_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-android-i686-debug.zip",
.hash = "N-V-__8AACxTPxEm1q-805vR2s1KgjHSafP6SSYdOQ4as3OB",
.lazy = true,
},
.wgpu_android_x86_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-android-i686-release.zip",
.hash = "N-V-__8AAFwDIQNZ003uYMHrFbiexqSqI3sVgpXB2W4DLoqq",
.wgpu_android_i686_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-android-i686-release.zip",
.hash = "N-V-__8AACLCKgO4T-h5bpJiKsvEemqLeHpqURJHW9bXEH3q",
.lazy = true,
},
.wgpu_android_x86_64_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-android-x86_64-debug.zip",
.hash = "N-V-__8AAAAjNBQaSprsYmeSlIDJWQg-jZHiUxxIMHylLp7E",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-android-x86_64-debug.zip",
.hash = "N-V-__8AAN4BXRX5s7cLo4gEjgrMevSzzz_DnXEkf12NIko1",
.lazy = true,
},
.wgpu_android_x86_64_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-android-x86_64-release.zip",
.hash = "N-V-__8AALxtxANPhha93qENJNdLw9ZAaHUXp2_X8QBskpOM",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-android-x86_64-release.zip",
.hash = "N-V-__8AAOyW3gPNHsw4UEwI06DxG67A2g25z3D9OEeYQN3n",
.lazy = true,
},
.wgpu_ios_aarch64_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-ios-aarch64-debug.zip",
.hash = "N-V-__8AAJj1lQlJYBWH3qMo3USVJcGKJ1ithSzQ-u04QUxa",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-ios-aarch64-debug.zip",
.hash = "N-V-__8AANBkMQplyTAMfQ9mcVGEd2wWqaYFkSgh9QrXnIvP",
.lazy = true,
},
.wgpu_ios_aarch64_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-ios-aarch64-release.zip",
.hash = "N-V-__8AALh8YgKjs1OKvnTlaRqB_euceGNN_TfX1HLMrnNi",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-ios-aarch64-release.zip",
.hash = "N-V-__8AAGC4cgJGe_H08e0EEAH2gFDU5D_FOnwhfBRxKzGF",
.lazy = true,
},
.wgpu_ios_aarch64_simulator_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-ios-aarch64-simulator-debug.zip",
.hash = "N-V-__8AAABClgk_Seuqe9XuxYUDDZe9T9aOYuhd4JhXTeg9",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-ios-aarch64-simulator-debug.zip",
.hash = "N-V-__8AAGjpMwrPW-vskOePX0XHnASueAqe_684azRDVsWT",
.lazy = true,
},
.wgpu_ios_aarch64_simulator_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-ios-aarch64-simulator-release.zip",
.hash = "N-V-__8AAAgFYgLavBRZjHgkULhWRweVNw-VeLMxcxRHZYF1",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-ios-aarch64-simulator-release.zip",
.hash = "N-V-__8AAGj6cQKYyPEPcS21NWldmcq-Sc0ea-6GuTUR8yDo",
.lazy = true,
},
.wgpu_ios_x86_64_simulator_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-ios-x86_64-simulator-debug.zip",
.hash = "N-V-__8AAKCSXgkyBFHn1Uwy1Sop2KeA6XwmrVs2_C8cru8M",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-ios-x86_64-simulator-debug.zip",
.hash = "N-V-__8AAOim8Al2DKP4fI_G1zoyATvSyJKR-kW9Z0twdAhX",
.lazy = true,
},
.wgpu_ios_x86_64_simulator_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-ios-x86_64-simulator-release.zip",
.hash = "N-V-__8AAPBFWQJxhwRTeBxlztWVNalvobmyX_zEoF24X_S6",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-ios-x86_64-simulator-release.zip",
.hash = "N-V-__8AAHiIbQJSSUyRvGGs9RY_0soQZABi_0oxf0RLDd5w",
.lazy = true,
},
.wgpu_linux_aarch64_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-linux-aarch64-debug.zip",
.hash = "N-V-__8AALSbGhS93ZKwkkKk-yN3BzFl6iBPh9etfftVkhSk",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-linux-aarch64-debug.zip",
.hash = "N-V-__8AAJzHexVRY6srpy0_WL1xewabnBs2KS-VdBoTqW2r",
.lazy = true,
},
.wgpu_linux_aarch64_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-linux-aarch64-release.zip",
.hash = "N-V-__8AAC42tgMsCqChk-HZ0n7dyD1HT29f6QM0UTCdj_iF",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-linux-aarch64-release.zip",
.hash = "N-V-__8AAADr0gMElWHqEZGI9rghv_AUtEY68_Vm_8Kfdbud",
.lazy = true,
},
.wgpu_linux_x86_64_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-linux-x86_64-debug.zip",
.hash = "N-V-__8AAHS_-BNtAmT4hK9geZG361RETmD2lG0fk2gyDYh-",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-linux-x86_64-debug.zip",
.hash = "N-V-__8AACx_YhW8kbx_vuKCJQu1_0cVbbcLZjm-OX-TIm0B",
.lazy = true,
},
.wgpu_linux_x86_64_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-linux-x86_64-release.zip",
.hash = "N-V-__8AALK1sQPqMGESXUOHBpzwDj1GMf_nYBdfbjewJ9kH",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-linux-x86_64-release.zip",
.hash = "N-V-__8AAPpC1APAPud19Yp8rJyNQuJ0HwIHTSyIceokAG9W",
.lazy = true,
},
.wgpu_macos_aarch64_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-macos-aarch64-debug.zip",
.hash = "N-V-__8AACj6lQmZEGeyjdn2CCD0as1hGMvrAUBsoTuBu_cR",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-macos-aarch64-debug.zip",
.hash = "N-V-__8AANjnOQoNkft8Nn5WRAL__IxRPP83A0SOpfv-TJkC",
.lazy = true,
},
.wgpu_macos_aarch64_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-macos-aarch64-release.zip",
.hash = "N-V-__8AAGDGYgIAQ6tOKxxonhabDmuFj9Y35AKvPwynW_UO",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-macos-aarch64-release.zip",
.hash = "N-V-__8AAIjJdgK6krBtoLxbfvHRrQYxVSvlm1l8Glhc78dM",
.lazy = true,
},
.wgpu_macos_x86_64_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-macos-x86_64-debug.zip",
.hash = "N-V-__8AAOCufAlp1bMuFqQCd152bYQLNu-tjLdu9edJ8b4e",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-macos-x86_64-debug.zip",
.hash = "N-V-__8AAMBJFQon8Hu6WhO-Kp_7GLNV3nypyTsKLYNuBnEb",
.lazy = true,
},
.wgpu_macos_x86_64_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-macos-x86_64-release.zip",
.hash = "N-V-__8AAFi6YgLHU9dEEx9n190MvnIZaCq5SVMg8BX7zD87",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-macos-x86_64-release.zip",
.hash = "N-V-__8AAFhmewJO7pRDr9GC7fI8vR1aL7DIHb_PRAF8aGTj",
.lazy = true,
},
.wgpu_windows_aarch64_msvc_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-windows-aarch64-msvc-debug.zip",
.hash = "N-V-__8AACUsDR0QuXpFRCjd-TcdKredsnN5Uiy6thaqghfy",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-windows-aarch64-msvc-debug.zip",
.hash = "N-V-__8AAJwlTB8RCirdeiEG_lnkQvEFxMnjnmtMrNMpnF8K",
.lazy = true,
},
.wgpu_windows_aarch64_msvc_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-windows-aarch64-msvc-release.zip",
.hash = "N-V-__8AAEmpwwOechqvtlmAlMzCIbnIzIgSYcfEUWhSZ7Cj",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-windows-aarch64-msvc-release.zip",
.hash = "N-V-__8AAOxy4QPPqfIVDF2kvMQyAle9lqdX3RghA9EZcPbb",
.lazy = true,
},
.wgpu_windows_x86_msvc_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-windows-i686-msvc-debug.zip",
.hash = "N-V-__8AAP8AIx3OgW8N8DkBj5JMcJUkcy7iHLuOH--fY3IX",
.wgpu_windows_i686_msvc_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-windows-i686-msvc-debug.zip",
.hash = "N-V-__8AAHwJMx--mBEvHUsHVL7moKl2oyEU_2NGjtCPRLSC",
.lazy = true,
},
.wgpu_windows_x86_msvc_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-windows-i686-msvc-release.zip",
.hash = "N-V-__8AAMn2lQPoxD9cdgm97Fvxqes4Jlvwct-GWDgsws5k",
.wgpu_windows_i686_msvc_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-windows-i686-msvc-release.zip",
.hash = "N-V-__8AAFRVnAN3dJfZ8FSu0PncArBKoAJO2S_4NRSDgl5P",
.lazy = true,
},
.wgpu_windows_x86_64_msvc_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-windows-x86_64-msvc-debug.zip",
.hash = "N-V-__8AADEvMB0uTuAXXabR4Fw-2LjtJfoSP8vux2m_eDok",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-windows-x86_64-msvc-debug.zip",
.hash = "N-V-__8AAGbvVh_MR__tPfivjEheDiC8B5MAMafo6-i3os0h",
.lazy = true,
},
.wgpu_windows_x86_64_msvc_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-windows-x86_64-msvc-release.zip",
.hash = "N-V-__8AAG8mAQR0Vg9K8e0Ln46g_UJq1HqtXwif_Uvt1_ZE",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-windows-x86_64-msvc-release.zip",
.hash = "N-V-__8AAD5sIQTCi8ZlqVjmmFfBvGcmUB9qY3_ZsL_ctkv1",
.lazy = true,
},
.wgpu_windows_x86_64_gnu_debug = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-windows-x86_64-gnu-debug.zip",
.hash = "N-V-__8AAFICSxIMF7kdKvI3pTwiLWmIxjSopWIadDt9yUpp",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-windows-x86_64-gnu-debug.zip",
.hash = "N-V-__8AADxhgRMl9YGsWAOdmsKsNXOk7uztVzpr1o_h4OBh",
.lazy = true,
},
.wgpu_windows_x86_64_gnu_release = .{
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v25.0.2.1/wgpu-windows-x86_64-gnu-release.zip",
.hash = "N-V-__8AAMZ8DwPtTjIxd_0zIGEoJwriDQY-Ykx8ldVc_7N0",
.url = "https://github.com/gfx-rs/wgpu-native/releases/download/v27.0.2.0/wgpu-windows-x86_64-gnu-release.zip",
.hash = "N-V-__8AACT6EwMFgBCKPqN_K7KvG-gbwuj_pO1uAe6UsUEF",
.lazy = true,
},
},
Expand Down
25 changes: 13 additions & 12 deletions examples/bmp.zig
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,16 @@ pub fn write24BitBMP(file_name: []const u8, comptime width: u32, comptime height
const file = try std.fs.cwd().createFile(file_name, .{});
defer file.close();

var writer = file.writer();
var buffer: [1024]u8 = undefined;
var fw = file.writer(&buffer);
const writer = &fw.interface;

const bytes_per_line = comptime std.mem.alignForward(u32, width * 3, 4);
const file_size = 54 + (bytes_per_line * height);

// ID
_ = try writer.write(&[2]u8{'B', 'M'});
_ = try writer.write(&[2]u8{ 'B', 'M' });

const colors_per_line = width * 3;
const bytes_per_line = switch(colors_per_line & 0x00000003) {
0 => colors_per_line,
else => (colors_per_line | 0x00000003) + 1,
};
const file_size = 54 + (bytes_per_line * height);
try writer.writeInt(u32, file_size, .little);

// reserved
Expand All @@ -33,9 +32,9 @@ pub fn write24BitBMP(file_name: []const u8, comptime width: u32, comptime height
try writer.writeInt(u16, 24, .little);
// Six 32-bit words, all set to zero:
// compression type, compressed image size, x pixels/meter, y pixels/meter, colors used, important colors
try writer.writeByteNTimes(0, 4 * 6);
try writer.splatByteAll(0, 4 * 6);

var line_buffer = [_]u8{0} ** bytes_per_line;
var line_buffer: [bytes_per_line]u8 = @splat(0);
const bgra_pixels_per_line = width * 4;
for (0..height) |i_y| {
const y = height - i_y - 1;
Expand All @@ -45,8 +44,10 @@ pub fn write24BitBMP(file_name: []const u8, comptime width: u32, comptime height
const bgra_pixel_offset = line_offset + (x * 4);
line_buffer[bgr_pixel_offset] = bgra_data[bgra_pixel_offset];
line_buffer[bgr_pixel_offset + 1] = bgra_data[bgra_pixel_offset + 1];
line_buffer[bgr_pixel_offset + 2] = bgra_data[bgra_pixel_offset + 2];
line_buffer[bgr_pixel_offset + 2] = bgra_data[bgra_pixel_offset + 2];
}
_ = try writer.write(&line_buffer);
}
}
try writer.flush();
}

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