New `help` api that provides options as to how paramters are printed.

fixes \#28

2 files changed, 8 insertions, 4 deletions

diff --git a/example/README.md.template b/example/README.md.template
index b76ae45..8b12cd6 100644
--- a/example/README.md.template
+++ b/example/README.md.template
@@ -58,7 +58,8 @@ is generated at runtime.
 
 The `help` prints a simple list of all parameters the program can take. It expects the
 `Id` to have a `description` method and an `value` method so that it can provide that
-in the output.
+in the output. `HelpOptions` is passed to `help` to control how the help message is
+printed.
 
 ```zig
 {s}
@@ -66,8 +67,11 @@ in the output.
 
 ```
 $ zig-out/bin/help --help
-        -h, --help      Display this help and exit.
-        -v, --version   Output version information and exit.
+    -h, --help
+            Display this help and exit.
+
+    -v, --version
+            Output version information and exit.
 ```
 
 ### `usage`
diff --git a/example/help.zig b/example/help.zig
index 64d1709..18d61b9 100644
--- a/example/help.zig
+++ b/example/help.zig
@@ -15,5 +15,5 @@ pub fn main() !void {
     // slice of Param(Help). There is also a helpEx, which can print a
     // help message for any Param, but it is more verbose to call.
     if (res.args.help)
-        return clap.help(std.io.getStdErr().writer(), clap.Help, &params);
+        return clap.help(std.io.getStdErr().writer(), clap.Help, &params, .{});
 }