import std/options import chronos/srcloc proc push*(self: var seq[uint], value: uint): void = self.add(value) proc pop*(self: var seq[uint]): uint = let value = self[^1] self.setLen(self.len - 1) value proc peek*(self: var seq[uint]): Option[uint] = if self.len == 0: none(uint) else: self[^1].some proc `$`*(location: SrcLoc): string = $location.procedure & "[" & $location.file & ":" & $location.line & "]"