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const std = @import("std");
const Writer = std.Io.Writer;
pub const Console = struct {
setup: *const fn (*const @This()) void,
write: *const fn (*const @This(), []const u8) void,
};
fn nop_setup(_: *const Console) void {}
fn nop_write(_: *const Console, _: []const u8) void {}
const nop_console = Console{
.setup = nop_setup,
.write = nop_write,
};
var cur: *const Console = &nop_console;
fn drain(
_: *Writer,
data: []const []const u8,
_: usize,
) Writer.Error!usize {
cur.write(cur, data[0]);
return data[0].len;
}
var writer: Writer = .{
.vtable = &.{ .drain = drain },
.buffer = &.{},
};
pub fn print(comptime fmt: []const u8, args: anytype) void {
writer.print(fmt, args) catch {};
}
pub fn set_console(console: *const Console) void {
console.setup(console);
cur = console;
}
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