Trait repl_rs::HelpViewer [−][src]
pub trait HelpViewer {
fn help_general(&self, context: &HelpContext) -> Result<()>;
fn help_command(&self, entry: &HelpEntry) -> Result<()>;
}
Expand description
Trait to be used if you want your own custom Help output
Required methods
fn help_general(&self, context: &HelpContext) -> Result<()>
fn help_general(&self, context: &HelpContext) -> Result<()>
Called when the plain help
command is called with no arguments
fn help_command(&self, entry: &HelpEntry) -> Result<()>
fn help_command(&self, entry: &HelpEntry) -> Result<()>
Called when the help
command is called with a command argument (i.e., help foo
).
Note that you won’t have to handle an unknown command - it’ll be handled in the caller