const std = @import("std");

pub const Stream = union(enum) {
    const Self = @This();

    pub const File = @import("file.zig");
    pub const Buffer = @import("buffer.zig");

    file: File,
    buffer: Buffer,

    pub fn from_file(file: std.fs.File) Self {
        return .{ .file = File.init(file) };
    }

    pub fn from_buffer(buffer: []const u8) Self {
        return .{ .buffer = Buffer.init(buffer) };
    }

    pub fn reader(self: *Self, buffer: []u8) *std.Io.Reader {
        return switch(self.*) {
            .file => |*f| f.reader(buffer),
            .buffer => |*b| b.reader(buffer),
        };
    }

    pub fn close(self: *Self) void {
        return switch(self.*) {
            .file => |*f| f.close(),
            .buffer => |*b| b.close(),
        };
    }
};