/.d
Created
December 29, 2023 23:01
weak values for default arguments
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auto ref weak(T,alias A)(){ | |
static if(is(T:typeof(A))){ | |
return A; | |
} else { | |
return T.init; | |
}} | |
auto ref weak(T,S)(auto ref S a){ | |
static if(is(T:S)){ | |
return a; | |
} else { | |
return T.init; | |
}} | |
float lerpammount=.5; | |
auto lerp(I,F=typeof(lerpammount))(I a,I b,F per=weak!(F,lerpammount)){ | |
import std; | |
writeln(a," ",b," ",per); | |
} | |
auto remap(T,S=float)(T v,T min1=weak!(T,T.min),T max1=weak!(T,T.max),S min2=weak!S(0.0),S max2=weak!S(1.0)){ | |
import std; | |
writeln(v," ",min1," ",max1," ",min2," ",max2); | |
} | |
struct myfloat{} | |
struct myint{ | |
int i; | |
enum min=myint(0); | |
enum max=myint(100); | |
} | |
void main(){ | |
lerp(1,10); | |
lerp(1,10,myfloat()); | |
lerpammount=.9; | |
lerp(1,10); | |
lerp(myint(),myint()); | |
remap(ubyte(128)); | |
remap(ubyte(167),ubyte(128)); | |
remap(5,0,10); | |
remap(5,0,10,.5); | |
remap(myint()); | |
remap(5,0,10,myint(100),myint(0)); | |
} |
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