improve: fix unused variable compiler warnings

Author: pageldev

include/Utils.hpp

@@ -281,7 +281,7 @@ inline std::vector<T> get_triangle_strip_outline_indices(const std::size_t num_v
 }
 
 template<class T, typename F>
-bool compare_class_members(const T& obj_a, const T& obj_b, F cmp)
+bool compare_class_members(const T&, const T&, F)
 {
     return false;
 };
@@ -295,7 +295,7 @@ bool compare_class_members(const T& obj_a, const T& obj_b, F cmp, S field, Ss...
 };
 
 template<class T>
-bool check_class_members_equal(const T& obj_a, const T& obj_b)
+bool check_class_members_equal(const T&, const T&)
 {
     return true;
 };

include/earcut.hpp

@@ -314,12 +314,9 @@ void Earcut<N>::earcutLinked(Node* ear, int pass)
     Node* prev;
     Node* next;
 
-    int iterations = 0;
-
     // iterate through ears, slicing them one by one
     while (ear->prev != ear->next)
     {
-        iterations++;
         prev = ear->prev;
         next = ear->next;
 

src/Geometries/Arc.cpp

@@ -31,7 +31,7 @@ Vec2D Arc::get_grad(double s) const
     return {{dx, dy}};
 }
 
-std::set<double> Arc::approximate_linear(double eps) const
+std::set<double> Arc::approximate_linear([[maybe_unused]] double eps) const
 {
     // TODO: properly implement
     const double     s_step = 0.01 / std::abs(this->curvature); // sample at approx. every 1°

src/Geometries/Line.cpp

@@ -21,12 +21,12 @@ Vec2D Line::get_xy(double s) const
     return Vec2D{x, y};
 }
 
-Vec2D Line::get_grad(double s) const
+Vec2D Line::get_grad([[maybe_unused]] double s) const
 {
     return {{std::cos(hdg0), std::sin(hdg0)}};
 }
 
-std::set<double> Line::approximate_linear(double eps) const
+std::set<double> Line::approximate_linear([[maybe_unused]] double eps) const
 {
     return {s0, s0 + length};
 }