Struct design_pattern_examples_rust::command::command_commands::CommandTwoParameters

pub struct CommandTwoParameters {
    name: String,
    operation: fn(source: &mut CommandTextObject, arg1: &str, arg2: &str),
    arg1: String,
    arg2: String,
}

Represents an operation that can be applied to a CommandTextObject that requires two additional parameters.

This struct implements the ICommand trait so it can be treated the same as any other kind of command.

Fields

name: String

Easy-to-read command name.

operation: fn(source: &mut CommandTextObject, arg1: &str, arg2: &str)

Two parameter operation to apply to a CommandTextObject.

arg1: String

The first argument to the operation.

arg2: String

The second argument to the operation.

Implementations

impl CommandTwoParameters

pub fn new( name: &str, operation: fn(source: &mut CommandTextObject, arg1: &str, arg2: &str), arg1: &str, arg2: &str ) -> Box<dyn ICommand>

Constructor for a command that applies an operation to a CommandTextObject, where the operation takes two parameters.

Parameters

• name

  Easy-to-read name of the command.

• operation

  The operation to apply to a CommandTextObject and that takes two parameters.

• arg1

  First argument to the operation (after the CommandTextObject).

• arg2

  Second argument to the operation (after the CommandTextObject).

Returns

Returns an ICommand object representing the command.

Trait Implementations

impl ICommand for CommandTwoParameters

fn execute(&self, receiver: &mut CommandTextObject)

Execute the command on the given CommandTextObject.

fn to_string(&self) -> String

Convert the command to a string representation.