Text editor: prototype based setup

examples/text_editor/buffer.lc

@@ -27,25 +27,6 @@ GetRangeSize :: proc(range: Range): int {
     return result;
 }
 
-ClampInt :: proc(val: int, min: int, max: int): int {
-    result := val;
-    if (val < min) result = min;
-    if (val > max) result = max;
-    return result;
-}
-
-MinInt :: proc(a: int, b: int): int {
-    result := a;
-    if (a > b) result = b;
-    return result;
-}
-
-MaxInt :: proc(a: int, b: int): int {
-    result := b;
-    if (a > b) result = a;
-    return result;
-}
-
 AdjustUTF8PosUnsafe :: proc(buffer: *Buffer, pos: int, direction: int = 1): int {
     for pos >= 0 && pos < buffer.len && IsUTF8ContinuationByte(buffer.data[pos]) {
         pos += direction;