Remove the default allocator from `ParseOptions`no-default-allocator

fixes #111

1 files changed, 6 insertions, 1 deletions

diff --git a/example/usage.zig b/example/usage.zig
index 333536b..a773dd2 100644
--- a/example/usage.zig
+++ b/example/usage.zig
@@ -2,6 +2,9 @@ const clap = @import("clap");
 const std = @import("std");
 
 pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer _ = gpa.deinit();
+
     const params = comptime clap.parseParamsComptime(
         \\-h, --help         Display this help and exit.
         \\-v, --version      Output version information and exit.
@@ -9,7 +12,9 @@ pub fn main() !void {
         \\
     );
 
-    var res = try clap.parse(clap.Help, &params, clap.parsers.default, .{});
+    var res = try clap.parse(clap.Help, &params, clap.parsers.default, .{
+        .allocator = gpa.allocator(),
+    });
     defer res.deinit();
 
     // `clap.usage` is a function that can print a simple help message. It can print any `Param`