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Reduce code duplication for block indentation helpers

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This commit is contained in:
Marcus Klaas 2015-08-21 12:57:17 +02:00
parent c8fd23ca68
commit e0ae162ae1
1 changed files with 12 additions and 14 deletions
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26
src/expr.rs
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@ -762,22 +762,20 @@ fn rewrite_call(context: &RewriteContext,
Some(format!("{}({})", callee_str, write_list(&items.collect::<Vec<_>>(), &fmt)))
}
fn expr_block_indent(context: &RewriteContext, offset: usize) -> usize {
match context.config.expr_indent_style {
BlockIndentStyle::Inherit => context.block_indent,
BlockIndentStyle::Tabbed => context.block_indent + context.config.tab_spaces,
BlockIndentStyle::Visual => offset,
}
macro_rules! block_indent_helper {
($name:ident, $option:ident) => (
fn $name(context: &RewriteContext, offset: usize) -> usize {
match context.config.$option {
BlockIndentStyle::Inherit => context.block_indent,
BlockIndentStyle::Tabbed => context.block_indent + context.config.tab_spaces,
BlockIndentStyle::Visual => offset,
}
}
);
}
// FIXME: Code duplication; is there a better solution?
fn closure_block_indent(context: &RewriteContext, offset: usize) -> usize {
match context.config.closure_indent_style {
BlockIndentStyle::Inherit => context.block_indent,
BlockIndentStyle::Tabbed => context.block_indent + context.config.tab_spaces,
BlockIndentStyle::Visual => offset,
}
}
block_indent_helper!(expr_block_indent, expr_indent_style);
block_indent_helper!(closure_block_indent, closure_indent_style);
fn rewrite_paren(context: &RewriteContext,
subexpr: &ast::Expr,