before

Marks function/method for usage with AttributedFunction.

Former will call a Hook before calling attributed function/method and provide its return value as input parameter.

before

(

alias Hook

)

(

)

Parameters

Hook: function/method symbol to run before attributed function/method
parameter_name string: name in attributed function/method parameter list to bind result to

Type: auto

internal attribute struct that embeds supplied information

int genID() { return 42; }

@before!genID("id")
void foo(int id, double something) {}