From b232b9d5ea23fdd4d53f8e93cdfeb1f962811331 Mon Sep 17 00:00:00 2001
From: Ginger Bill <bill@gingerbill.org>
Date: Tue, 29 Nov 2016 22:08:48 +0000
Subject: Basic `when` statement - Compile time if statement This is similar to
 an #if in C but handled during the semantic checking stage.

---
 code/demo.odin | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

(limited to 'code')

diff --git a/code/demo.odin b/code/demo.odin
index c97a37e07..303c3b448 100644
--- a/code/demo.odin
+++ b/code/demo.odin
@@ -1,11 +1,27 @@
-#import "fmt.odin"
+// #import "fmt.odin"
 #import "utf8.odin"
 
+when ODIN_OS == "window" {
+	when ODIN_OS != "window" {
+	} else {
+		MAX :: 64
+	}
+	#import "fmt.odin"
+} else {
+
+}
+
+
 main :: proc() {
-	MAX :: 64
+	when true {
+		OffsetType :: type int
+	}
+
+	// MAX :: 64
 	buf:     [MAX]rune
 	backing: [MAX]byte
-	offset:  int
+	offset:  OffsetType
+
 
 	msg := "Hello"
 	count := utf8.rune_count(msg)
@@ -17,16 +33,17 @@ main :: proc() {
 		s := msg[offset:]
 		r, len := utf8.decode_rune(s)
 		runes[count-i-1] = r
-		offset += len
+		offset += len as OffsetType
 	}
 
 	offset = 0
 	for i := 0; i < count; i++ {
 		data, len := utf8.encode_rune(runes[i])
 		copy(backing[offset:], data[:len])
-		offset += len
+		offset += len as OffsetType
 	}
 
 	reverse := backing[:offset] as string
 	fmt.println(reverse) // olleH
 }
+
-- 
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