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Use stdx::always

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This commit is contained in:
Jonas Schievink 2021-04-07 01:26:22 +02:00
parent 61e292fab1
commit d75cacc601
1 changed files with 5 additions and 5 deletions
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10
crates/ide/src/typing.rs
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@ -79,7 +79,7 @@ fn on_char_typed_inner(file: &SourceFile, offset: TextSize, char_typed: char) ->
/// Inserts a closing `}` when the user types an opening `{`, wrapping an existing expression in a
/// block.
fn on_opening_brace_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdit> {
assert_eq!(file.syntax().text().char_at(offset), Some('{'));
stdx::always!(file.syntax().text().char_at(offset) == Some('{'));
let brace_token = file.syntax().token_at_offset(offset).right_biased()?;
let block = ast::BlockExpr::cast(brace_token.parent()?)?;
@ -90,7 +90,7 @@ fn on_opening_brace_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdi
Some(ast::Stmt::ExprStmt(it)) => {
// Use the expression span to place `}` before the `;`
it.expr()?.syntax().text_range().end()
},
}
None => block.tail_expr()?.syntax().text_range().end(),
_ => return None,
}
@ -103,7 +103,7 @@ fn on_opening_brace_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdi
/// this works when adding `let =`.
// FIXME: use a snippet completion instead of this hack here.
fn on_eq_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdit> {
assert_eq!(file.syntax().text().char_at(offset), Some('='));
stdx::always!(file.syntax().text().char_at(offset) == Some('='));
let let_stmt: ast::LetStmt = find_node_at_offset(file.syntax(), offset)?;
if let_stmt.semicolon_token().is_some() {
return None;
@ -125,7 +125,7 @@ fn on_eq_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdit> {
/// Returns an edit which should be applied when a dot ('.') is typed on a blank line, indenting the line appropriately.
fn on_dot_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdit> {
assert_eq!(file.syntax().text().char_at(offset), Some('.'));
stdx::always!(file.syntax().text().char_at(offset) == Some('.'));
let whitespace =
file.syntax().token_at_offset(offset).left_biased().and_then(ast::Whitespace::cast)?;
@ -154,7 +154,7 @@ fn on_dot_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdit> {
/// Adds a space after an arrow when `fn foo() { ... }` is turned into `fn foo() -> { ... }`
fn on_arrow_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdit> {
let file_text = file.syntax().text();
assert_eq!(file_text.char_at(offset), Some('>'));
stdx::always!(file_text.char_at(offset) == Some('>'));
let after_arrow = offset + TextSize::of('>');
if file_text.char_at(after_arrow) != Some('{') {
return None;