Communicate better. update -> permit. Thanks @jonathandturner

This commit is contained in:
Andrés N. Robalino 2019-08-01 19:19:31 -05:00
parent 0231e64e37
commit c5568b426c

View File

@ -41,10 +41,8 @@ impl Str {
self.field = Some(field);
}
fn update(&mut self) {
if self.action.is_some() {
self.log_error("can only apply one");
}
fn permit(&mut self) -> bool {
self.action.is_none()
}
fn log_error(&mut self, message: &str) {
@ -52,18 +50,27 @@ impl Str {
}
fn for_to_int(&mut self) {
self.update();
self.action = Some(Action::ToInteger);
if self.permit() {
self.action = Some(Action::ToInteger);
} else {
self.log_error("can only apply one");
}
}
fn for_downcase(&mut self) {
self.update();
self.action = Some(Action::Downcase);
if self.permit() {
self.action = Some(Action::Downcase);
} else {
self.log_error("can only apply one");
}
}
fn for_upcase(&mut self) {
self.update();
self.action = Some(Action::Upcase);
if self.permit() {
self.action = Some(Action::Upcase);
} else {
self.log_error("can only apply one");
}
}
fn usage(&self) -> &'static str {