jeff/dust
1
0
Fork 0
Code Issues

Continue adding string functions

Browse Source
This commit is contained in:
Jeff 2024-01-01 13:26:56 -05:00
parent 5aa65af3ad
commit 96f323979e
1 changed files with 29 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/built_in_functions/string.rs
View File

@ -303,8 +303,35 @@ impl StringFunction {
Value::none()
}
}
StringFunction::ReplaceRange => todo!(),
StringFunction::Retain => todo!(),
StringFunction::ReplaceRange => {
Error::expect_argument_amount(self.name(), 3, arguments.len())?;
let mut string = arguments.get(0).unwrap().as_string_mut()?;
let range = arguments.get(1).unwrap().as_list()?.items();
let start = range.get(0).unwrap_or_default().as_integer()? as usize;
let end = range.get(1).unwrap_or_default().as_integer()? as usize;
let pattern = arguments.get(2).unwrap().as_string()?;
string.replace_range(start..end, &pattern);
Value::none()
}
StringFunction::Retain => {
Error::expect_argument_amount(self.name(), 2, arguments.len())?;
let mut string = arguments.get(0).unwrap().as_string_mut()?;
let predicate = arguments.get(1).unwrap().as_function()?;
string.retain(|char| {
predicate
.call(None, &[Value::string(char)], _source, _outer_context)
.unwrap()
.as_boolean()
.unwrap()
});
Value::none()
}
StringFunction::Split => {
Error::expect_argument_amount(self.name(), 2, arguments.len())?;