summaryrefslogtreecommitdiffstats
path: root/tests/ui/macros/issue-98466.rs
diff options
context:
space:
mode:
Diffstat (limited to 'tests/ui/macros/issue-98466.rs')
-rw-r--r--tests/ui/macros/issue-98466.rs51
1 files changed, 51 insertions, 0 deletions
diff --git a/tests/ui/macros/issue-98466.rs b/tests/ui/macros/issue-98466.rs
new file mode 100644
index 000000000..2c3b099af
--- /dev/null
+++ b/tests/ui/macros/issue-98466.rs
@@ -0,0 +1,51 @@
+// check-pass
+// run-rustfix
+
+fn main() {
+ let mut _x: usize;
+ _x = 1;
+ println!("_x is {}", _x = 5);
+ //~^ WARNING named argument `_x` is not used by name [named_arguments_used_positionally]
+ //~| HELP use the named argument by name to avoid ambiguity
+ println!("_x is {}", y = _x);
+ //~^ WARNING named argument `y` is not used by name [named_arguments_used_positionally]
+ //~| HELP use the named argument by name to avoid ambiguity
+ println!("first positional arg {}, second positional arg {}, _x is {}", 1, 2, y = _x);
+ //~^ WARNING named argument `y` is not used by name [named_arguments_used_positionally]
+ //~| HELP use the named argument by name to avoid ambiguity
+
+ let mut _x: usize;
+ _x = 1;
+ let _f = format!("_x is {}", _x = 5);
+ //~^ WARNING named argument `_x` is not used by name [named_arguments_used_positionally]
+ //~| HELP use the named argument by name to avoid ambiguity
+ let _f = format!("_x is {}", y = _x);
+ //~^ WARNING named argument `y` is not used by name [named_arguments_used_positionally]
+ //~| HELP use the named argument by name to avoid ambiguity
+ let _f = format!("first positional arg {}, second positional arg {}, _x is {}", 1, 2, y = _x);
+ //~^ WARNING named argument `y` is not used by name [named_arguments_used_positionally]
+ //~| HELP use the named argument by name to avoid ambiguity
+
+ let s = "0.009";
+ // Confirm that named arguments used in formatting are correctly considered.
+ println!(".{:0<width$}", s, width = _x);
+
+ let region = "abc";
+ let width = 8;
+ let ls = "abcde";
+ let full = "abcde";
+ // Confirm that named arguments used in formatting are correctly considered.
+ println!(
+ "| {r:rw$?} | {ui:4?} | {v}",
+ r = region,
+ rw = width,
+ ui = ls,
+ v = full,
+ );
+
+ // Confirm that named arguments used in formatting are correctly considered.
+ println!("{:.a$}", "aaaaaaaaaaaaaaaaaa", a = 4);
+
+ // Confirm that named arguments used in formatting are correctly considered.
+ println!("{:._a$}", "aaaaaaaaaaaaaaaaaa", _a = 4);
+}