strutils.nim: Use `func` everywhere (#16281)

* strutils.nim: procs with {.noSideEffect.} -> func

* strutils.nim: procs without {.noSideEffect.} -> func

* strutils.nim: proc -> func for links

* strutils.nim: proc -> func in doc comments

* test: add strutils to strictFuncs test

* test: proc -> func in errmsg test

1 files changed, 3 insertions, 3 deletions

diff --git a/tests/errmsgs/tunknown_named_parameter.nim b/tests/errmsgs/tunknown_named_parameter.nim
index 829ab9497..d3dd6cd2d 100644
--- a/tests/errmsgs/tunknown_named_parameter.nim
+++ b/tests/errmsgs/tunknown_named_parameter.nim
@@ -2,15 +2,15 @@ discard """
 cmd: "nim check $file"
 errormsg: "type mismatch: got <string, set[char], maxsplits: int literal(1)>"
 nimout: '''
-proc rsplit(s: string; sep: char; maxsplit: int = -1): seq[string]
+func rsplit(s: string; sep: char; maxsplit: int = -1): seq[string]
   first type mismatch at position: 2
   required type for sep: char
   but expression '{':'}' is of type: set[char]
-proc rsplit(s: string; sep: string; maxsplit: int = -1): seq[string]
+func rsplit(s: string; sep: string; maxsplit: int = -1): seq[string]
   first type mismatch at position: 2
   required type for sep: string
   but expression '{':'}' is of type: set[char]
-proc rsplit(s: string; seps: set[char] = Whitespace; maxsplit: int = -1): seq[
+func rsplit(s: string; seps: set[char] = Whitespace; maxsplit: int = -1): seq[
     string]
   first type mismatch at position: 3
   unknown named parameter: maxsplits