src/console.zig


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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,
};

var cur: ?*const Console = null;

fn drain(
    _: *Writer,
    data: []const []const u8,
    _: usize,
) Writer.Error!usize {
    if (cur) |c| {
        c.write(c, 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;
}