Function ensureUnusedCapacity [src]

Prototype

pub fn ensureUnusedCapacity(a: *Allocating, additional_count: usize) Allocator.Error!void

Parameters

a: *Allocatingadditional_count: usize

Source

  pub fn ensureUnusedCapacity(a: *Allocating, additional_count: usize) Allocator.Error!void {
    const new_capacity = std.math.add(usize, a.writer.end, additional_count) catch return error.OutOfMemory;
    return ensureTotalCapacity(a, new_capacity);
}  