Reword error message slightly

FabianWolff · FabianWolff · commit dab25ab56cd7 · 2021-07-01T13:26:17.000+02:00
diff --git a/compiler/rustc_typeck/src/check/callee.rs b/compiler/rustc_typeck/src/check/callee.rs
@@ -596,7 +596,7 @@ impl<'a, 'tcx> DeferredCallResolution<'tcx> {
                 );
                 err.help(
                     "make sure the `fn`/`fn_mut`/`fn_once` lang items are defined \
-                     and have an associated `call`/`call_mut`/`call_once` function",
+                     and have associated `call`/`call_mut`/`call_once` functions",
                 );
                 err.emit();
             }
diff --git a/src/test/ui/lang-items/issue-86238.stderr b/src/test/ui/lang-items/issue-86238.stderr
@@ -4,7 +4,7 @@ error: failed to find an overloaded call trait for closure call
 LL |     one()
    |     ^^^^^
    |
-   = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have an associated `call`/`call_mut`/`call_once` function
+   = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have associated `call`/`call_mut`/`call_once` functions
 
 error: aborting due to previous error
 

Original file line number	Diff line number	Diff line change
`@@ -596,7 +596,7 @@ impl<'a, 'tcx> DeferredCallResolution<'tcx> {`
`596`	`596`	`);`
`597`	`597`	`err.help(`
`598`	`598`	"make sure the `fn`/`fn_mut`/`fn_once` lang items are defined \
`599`		- and have an associated `call`/`call_mut`/`call_once` function",
	`599`	+ and have associated `call`/`call_mut`/`call_once` functions",
`600`	`600`	`);`
`601`	`601`	`err.emit();`
`602`	`602`	`}`
Original file line number	Diff line number	Diff line change
`@@ -4,7 +4,7 @@ error: failed to find an overloaded call trait for closure call`
`4`	`4`	`LL \| one()`
`5`	`5`	`\| ^^^^^`
`6`	`6`	`\|`
`7`		- = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have an associated `call`/`call_mut`/`call_once` function
	`7`	+ = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have associated `call`/`call_mut`/`call_once` functions
`8`	`8`
`9`	`9`	`error: aborting due to previous error`
`10`	`10`