style: use snake_case for constants

source/lexer/scan.hon

@@ -260,9 +260,9 @@ scan_ident proc(start usize, program []u8) ScanIdentResult {
     # don't intern keywords (already O(1) lookup via token kind)
     kind :: strmap.get(&keywords, program[start..cursor]) orelse .ident
     str_id :: if (kind == .ident)
-        strpool.intern(&strpool.strings, program[start..cursor]) catch strpool.NO_STR
+        strpool.intern(&strpool.strings, program[start..cursor]) catch strpool.no_str
     else
-        strpool.NO_STR
+        strpool.no_str
     return ScanIdentResult{ end = cursor, kind = kind, str_id = str_id }
 }
 

source/lexer/token.hon

@@ -3,7 +3,7 @@ import "@source/diagnostics"
 import "@source/strpool"
 
 TokenId :: distinct u32
-NO_TOKEN :: maxval!(TokenId)
+no_token :: maxval!(TokenId)
 
 TokenData :: union {
     str_id strpool.StringId
@@ -13,7 +13,7 @@ TokenData :: union {
 Token :: struct {
     span diagnostics.Span
     kind TokenKind
-    data TokenData = TokenData{ str_id = strpool.NO_STR }
+    data TokenData = TokenData{ str_id = strpool.no_str }
 }
 
 TokenKind :: enum {
@@ -73,6 +73,6 @@ render_token proc(token Token, program []u8) void {
 }
 
 token_id proc(index uint) TokenId {
-    debug.assert(u64(index) < u64(NO_TOKEN))
+    debug.assert(u64(index) < u64(no_token))
     return TokenId(index)
 }