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/* package whatever; // don't place package name! */
// Template header
///
template<size_t stack_size> struct static_task{
 
	TaskHandle_t			handle;					/// Task handle after initialization
	StaticTask_t			state;					/// Internal task state struct
	const char* const		name;					/// Task name
	const BaseType_t		affinity;				/// Task core
	const BaseType_t		basic_priority;			/// Task init priority
	const TaskFunction_t	function;				/// Task function pointer
	void* const 			ctx;					/// Task context pointer
	struct stack{
		static constexpr size_t	size = stack_size;	/// Stack size
		StackType_t 			data[stack_size];	/// Stack data pointer
	};
};
 
// Lib header
template<size_t size> esp_err_t xTaskStaticInit(static_task<size>& task_struct);
 
// Lib CPP
template<size_t size> esp_err_t xTaskStaticInit(static_task<size>& task_struct){
 
 
		task_struct.handle = xTaskCreateStaticPinnedToCore
		(
			task_struct->function,
			task_struct.name,
			task_struct.stack.size,
			task_struct.ctx,
			task_struct.basic_priority,
			task_struct.stack.data,
			&task_struct.state,
			task_struct.affinity
		);
 
		if(task_struct.handle == nullptr) { return ESP_FAIL; }
		else { return ESP_OK; }
	};
 
 
// Main CPP
 
static_task<2048> board_task = {
	.name = "board_task",
	.affinity = 1,
	.basic_priority = 5,
	.function = BoardTask,
	.ctx = nullptr,
};
 
void main(void){
 
    xTaskStaticInit(board_task);
}
 

Main.java:4: error: class, interface, or enum expected
template<size_t stack_size> struct static_task{
^
Main.java:7: error: class, interface, or enum expected
	StaticTask_t			state;					/// Internal task state struct
	^
Main.java:8: error: class, interface, or enum expected
	const char* const		name;					/// Task name
	^
Main.java:9: error: class, interface, or enum expected
	const BaseType_t		affinity;				/// Task core
	^
Main.java:10: error: class, interface, or enum expected
	const BaseType_t		basic_priority;			/// Task init priority
	^
Main.java:11: error: class, interface, or enum expected
	const TaskFunction_t	function;				/// Task function pointer
	^
Main.java:12: error: class, interface, or enum expected
	void* const 			ctx;					/// Task context pointer
	^
Main.java:13: error: class, interface, or enum expected
	struct stack{
	^
Main.java:15: error: class, interface, or enum expected
		StackType_t 			data[stack_size];	/// Stack data pointer
		^
Main.java:16: error: class, interface, or enum expected
	};
	^
Main.java:17: error: class, interface, or enum expected
};
^
Main.java:20: error: class, interface, or enum expected
template<size_t size> esp_err_t xTaskStaticInit(static_task<size>& task_struct);
^
Main.java:23: error: class, interface, or enum expected
template<size_t size> esp_err_t xTaskStaticInit(static_task<size>& task_struct){
^
Main.java:38: error: class, interface, or enum expected
		if(task_struct.handle == nullptr) { return ESP_FAIL; }
		^
Main.java:38: error: class, interface, or enum expected
		if(task_struct.handle == nullptr) { return ESP_FAIL; }
		                                                     ^
Main.java:39: error: class, interface, or enum expected
		else { return ESP_OK; }
		                      ^
Main.java:45: error: class, interface, or enum expected
static_task<2048> board_task = {
^
Main.java:53: error: class, interface, or enum expected
void main(void){
^
Main.java:56: error: class, interface, or enum expected
}
^
19 errors

Standard output is empty