Function allocPrint [src]

Prototype

pub fn allocPrint(allocator: mem.Allocator, comptime fmt: []const u8, args: anytype) AllocPrintError![]u8

Parameters

allocator: mem.Allocatorfmt: []const u8

Possible Errors

OutOfMemory

Source

  pub fn allocPrint(allocator: mem.Allocator, comptime fmt: []const u8, args: anytype) AllocPrintError![]u8 {
    const size = math.cast(usize, count(fmt, args)) orelse return error.OutOfMemory;
    const buf = try allocator.alloc(u8, size);
    return bufPrint(buf, fmt, args) catch |err| switch (err) {
        error.NoSpaceLeft => unreachable, // we just counted the size above
    };
}  