Misc functions.
fn readall DEPRECATED
fn readall*(path: str): str {
Use std.freadall instaed.
fn stepify
fn stepify*(val, step: th::fu): th::fu {
Snaps a value to step.
fn maxf
fn maxf*(a, b: th::fu): th::fu {
fn minf
fn minf*(a, b: th::fu): th::fu {