remove ties to stringification of io.write, fixes nim-lang#13182

krux02 · Feb 11, 2020 · 41d928a · 41d928a
1 parent ceb3d5a
commit 41d928a
Showing 1 changed file with 34 additions and 2 deletions.
diff --git a/lib/system/io.nim b/lib/system/io.nim
@@ -380,8 +380,40 @@ proc write*(f: File, r: BiggestFloat) {.tags: [WriteIOEffect], benign.} =
 proc write*(f: File, c: char) {.tags: [WriteIOEffect], benign.} =
   discard c_putc(cint(c), f)
 
-proc write*(f: File, a: varargs[string, `$`]) {.tags: [WriteIOEffect], benign.} =
-  for x in items(a): write(f, x)
+when defined(harmfulOverloadOfWrite):
+  proc write*(f: File, a: varargs[string, `$`]) {.tags: [WriteIOEffect], benign.} =
+    for x in items(a): write(f, x)
+else:
+  # no macros available
+  proc write*[T1,T2](f: File, arg1: T1, arg2: T2) =
+    f.write(arg1)
+    f.write(arg2)
+
+  proc write*[T1,T2,T3](f: File, arg1: T1, arg2: T2, arg3: T3) =
+    f.write(arg1)
+    f.write(arg2)
+    f.write(arg3)
+
+  proc write*[T1,T2,T3,T4](f: File, arg1: T1, arg2: T2, arg3: T3, arg4: T4) =
+    f.write(arg1)
+    f.write(arg2)
+    f.write(arg3)
+    f.write(arg4)
+
+  proc write*[T1,T2,T3,T4,T5](f: File, arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) =
+    f.write(arg1)
+    f.write(arg2)
+    f.write(arg3)
+    f.write(arg4)
+    f.write(arg5)
+
+  proc write*[T1,T2,T3,T4,T5,T6](f: File, arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6) =
+    f.write(arg1)
+    f.write(arg2)
+    f.write(arg3)
+    f.write(arg4)
+    f.write(arg5)
+    f.write(arg6)
 
 proc readAllBuffer(file: File): string =
   # This proc is for File we want to read but don't know how many