Function subtract [src]

Return a new limit reduced by amount or return null indicating limit would be exceeded.

Prototype

pub fn subtract(l: Limit, amount: usize) ?Limit

Parameters

l: Limitamount: usize

Source

  pub fn subtract(l: Limit, amount: usize) ?Limit {
    if (l == .unlimited) return .unlimited;
    if (amount > @intFromEnum(l)) return null;
    return @enumFromInt(@intFromEnum(l) - amount);
}  