diff options
Diffstat (limited to 'flag.go')
| -rw-r--r-- | flag.go | 16 |
1 files changed, 14 insertions, 2 deletions
@@ -20,7 +20,7 @@ type UsageUpdaterFunc func(key, usage string) string type config struct { prefix string - getenv func(string) string + getenv func(string) string flagConverter FlagConverterFunc usageUpdater UsageUpdaterFunc } @@ -55,6 +55,12 @@ func UsageUpdater(f UsageUpdaterFunc) Option { } // UsagePrefixer prefixes the flag usage with [envvar]. +// +// Example output: +// +// Usage of example: +// -verbose +// [VERBOSE] Be verbose func UsagePrefixer() Option { return func(cfg *config) { cfg.usageUpdater = usagePrefixer @@ -62,6 +68,12 @@ func UsagePrefixer() Option { } // UsageSuffixer suffixes the flag usage with [envvar]. +// +// Example output: +// +// Usage of example: +// -verbose +// Be verbose [VERBOSE] func UsageSuffixer() Option { return func(cfg *config) { cfg.usageUpdater = usageSuffixer @@ -88,7 +100,7 @@ func parseFlagSetWithEnv(fs *flag.FlagSet, arguments []string, opts ...Option) e } cfg := &config{ flagConverter: flagToEnv(), - getenv: os.Getenv, + getenv: os.Getenv, } for _, o := range opts { o(cfg) |