◆ select()

template<typename D , typename R >

Tendency< D, R > MayaFlux::Kinesis::select	(	const Tendency< D, float > &	predicate,
		const Tendency< D, R > &	then_t,
		const Tendency< D, R > &	else_t
	)

Select between two tendencies based on a predicate tendency.

Template Parameters

D	Shared domain type
R	Shared range type

Parameters

predicate	D -> float tendency (positive selects then_t, non-positive selects else_t)
then_t	Tendency selected when predicate > 0
else_t	Tendency selected when predicate <= 0

Definition at line 202 of file Tendency.hpp.

{
    return { .fn = [predicate, then_t, else_t](const D& d) -> R {
        return predicate(d) > 0.0F ? then_t(d) : else_t(d);
    } };
}