min()

Syntax

min(arg, ...args)
min(args)

Returns the smallest of the input arguments.

Compute minimum or maximum of supplied arguments assuming default sorthoraphical order. In case you are missing argmax, just use a ~ max(a), little less efficient, but still fun.

Interesting bit - min and max don’t remove variable associations from arguments, which means can be used as LHS of assignments (obvious case), or argument spec in function definitions (far less obvious).

a = 1; b = 2; min(a,b) = 3; [a,b]  => [3, 2]
a = 1; b = 2; fun(x, min(a,b)) -> [a,b]; fun(3,5)  => [5, 0]

Absolutely no idea, how the latter might be useful in practice. But since it compiles, can ship it.