Merge branch 'master' into zig-master

1 files changed, 18 insertions, 0 deletions

diff --git a/example/usage.zig b/example/usage.zig
new file mode 100644
index 0000000..25e1a34
--- /dev/null
+++ b/example/usage.zig
@@ -0,0 +1,18 @@
+const std = @import("std");
+const clap = @import("clap");
+
+pub fn main() !void {
+    const stderr = std.io.getStdErr().outStream();
+
+    // clap.usage is a function that can print a simple usage message, given a
+    // slice of Param(Help). There is also a usageEx, which can print a
+    // usage message for any Param, but it is more verbose to call.
+    try clap.usage(
+        stderr,
+        comptime &[_]clap.Param(clap.Help){
+            clap.parseParam("-h, --help       Display this help and exit.         ") catch unreachable,
+            clap.parseParam("-v, --version    Output version information and exit.") catch unreachable,
+            clap.parseParam("    --value <N>  Output version information and exit.") catch unreachable,
+        },
+    );
+}