diff options
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 14 |
1 files changed, 4 insertions, 10 deletions
@@ -582,7 +582,7 @@ if p.Subcommand() == nil { ``` -### Programmatic error handling +### Custom handling of --help and --version The following reproduces the internal logic of `MustParse` for the simple case where you are not using subcommands or --version. This allows you to respond @@ -625,9 +625,6 @@ Usage: ./example --something SOMETHING $ ./example error: --something is required Usage: ./example --something SOMETHING - -$ ./example --something abc -got "abc" ``` To also handle --version programatically, use the following: @@ -686,13 +683,10 @@ Usage: example --something SOMETHING $ ./example error: --something is required Usage: example --something SOMETHING - -$ ./example --something abc -got "abc" ``` -To also handle subcommands, use this most general version (also works in absence of subcommands but -is a bit more complex): +To generate subcommand-specific help messages, use the following most general version +(this also works in absence of subcommands but is a bit more complex): ```go type fetchCmd struct { @@ -761,7 +755,7 @@ Global options: ### API Documentation -https://godoc.org/github.com/alexflint/go-arg +https://pkg.go.dev/github.com/alexflint/go-arg ### Rationale |