int isn't always 64 bit (#92)

Author: konsumlamm

tests/tbigints.nim

@@ -534,7 +534,7 @@ proc main() =
     doAssert toSignedInt[int](d) == some(i32h.int - 1)
     doAssert toSignedInt[int8](e) == none(int8)
     doAssert toSignedInt[int32](e) == none(int32)
-    doAssert toSignedInt[int](e) == some(i32h.int + 1)
+    doAssert toSignedInt[int64](e) == some(i32h.int64 + 1)
     doAssert toSignedInt[int8](f) == none(int8)
     doAssert toSignedInt[int32](f) == some(i32l)
     doAssert toSignedInt[int](f) == some(i32l.int)
@@ -543,35 +543,35 @@ proc main() =
     doAssert toSignedInt[int](g) == some(i32l.int + 1)
     doAssert toSignedInt[int8](h) == none(int8)
     doAssert toSignedInt[int32](h) == none(int32)
-    doAssert toSignedInt[int](h) == some(i32l.int - 1)
+    doAssert toSignedInt[int64](h) == some(i32l.int64 - 1)
 
     let
       i64h = int64.high
       i64l = int64.low
       i = initBigInt(i64h)
       j = initBigInt(i64h - 1)
-      k = initBigInt(uint64(int64.high) + 1'u64)
+      k = initBigInt(uint64(int64.high) + 1)
       l = initBigInt(i64l)
       m = initBigInt(i64l + 1)
       n = initBigInt("-9223372036854775809") # int64.low - 1
     doAssert toSignedInt[int8](i) == none(int8)
     doAssert toSignedInt[int32](i) == none(int32)
-    doAssert toSignedInt[int](i) == some(i64h.int)
+    doAssert toSignedInt[int64](i) == some(i64h)
     doAssert toSignedInt[int8](j) == none(int8)
     doAssert toSignedInt[int32](j) == none(int32)
-    doAssert toSignedInt[int](j) == some(i64h.int - 1)
+    doAssert toSignedInt[int64](j) == some(i64h - 1)
     doAssert toSignedInt[int8](k) == none(int8)
     doAssert toSignedInt[int32](k) == none(int32)
-    doAssert toSignedInt[int](k) == none(int)
+    doAssert toSignedInt[int64](k) == none(int64)
     doAssert toSignedInt[int8](l) == none(int8)
     doAssert toSignedInt[int32](l) == none(int32)
-    doAssert toSignedInt[int](l) == some(i64l.int)
+    doAssert toSignedInt[int64](l) == some(i64l)
     doAssert toSignedInt[int8](m) == none(int8)
     doAssert toSignedInt[int32](m) == none(int32)
-    doAssert toSignedInt[int](m) == some(i64l.int + 1)
+    doAssert toSignedInt[int64](m) == some(i64l + 1)
     doAssert toSignedInt[int8](n) == none(int8)
     doAssert toSignedInt[int32](n) == none(int32)
-    doAssert toSignedInt[int](n) == none(int)
+    doAssert toSignedInt[int64](n) == none(int64)
 
   block: # pred/succ
     let a = initBigInt(7)

tests/tbugs.nim

@@ -1,6 +1,6 @@
 import bigints
 
-template main() =
+proc main() =
   block: # range of BigInt (https://github.com/nim-lang/bigints/issues/1)
     let two = 2.initBigInt
     let n = "123".initBigInt