Struct ExCommand 

pub struct ExCommand<H: Host> {
    pub name: &'static str,
    pub aliases: &'static [&'static str],
    pub arg_kind: ArgKind,
    pub min_prefix: usize,
    pub run: fn(&mut Editor<Buffer, H>, &str, Option<LineRange>) -> Option<ExEffect>,
}

A single registered ex command.

Fields

name: &'static str

Canonical full name (e.g. "quit").

aliases: &'static [&'static str]

Alternate full names (e.g. ["quit!"]).

arg_kind: ArgKind

What kind of argument this command takes.

min_prefix: usize

Minimum prefix length for vim-style abbreviation (1 → :q resolves to :quit).

run: fn(&mut Editor<Buffer, H>, &str, Option<LineRange>) -> Option<ExEffect>

Handler called with the editor and args (text after the command name, trimmed).