Feature: explicit string representation for enum fields

tests/accept/run/spec.csv

@@ -20,6 +20,7 @@ tcontinuexc.nim;ECcaught
 tcopy.nim;TEMP=C:\Programs\xyz\bin
 tcurrncy.nim;25
 temit.nim;509
+tenumhole;my value A1my value Bconc2valueCabc4abc
 texcsub.nim;caught!
 texplicitgeneric1.nim;Key: 12 value: 12Key: 13 value: 13 Key: A value: 12 Key: B value: 13
 tfinally.nim;came here 3
@@ -44,6 +45,7 @@ tmultim1.nim;7
 tmultim2.nim;collide: unit, thing collide: unit, thing collide: thing, unit
 tmultim3.nim;Hi derived!
 tmultim4.nim;hello
+tnamedenumfields;my value A0my value Bconc1valueCabc3abc
 tnestif.nim;i == 2
 tnestprc.nim;10
 toop1.nim;34[]o 5

tests/accept/run/tenumhole.nim

@@ -0,0 +1,16 @@
+
+const
+  strValB = "my value B"
+
+type
+  TMyEnum = enum
+    valueA = (1, "my value A"),
+    valueB = strValB & "conc",
+    valueC,
+    valueD = (4, "abc")
+ 
+# trick the optimizer with a variable:
+var x = valueD
+echo valueA, ord(valueA), valueB, ord(valueB), valueC, valueD, ord(valueD), x
+
+

tests/accept/run/tnamedenumfields.nim

@@ -0,0 +1,17 @@
+
+const
+  strValB = "my value B"
+
+type
+  TMyEnum = enum
+    valueA = (0, "my value A"),
+    valueB = strValB & "conc",
+    valueC,
+    valueD = (3, "abc"),
+    valueE = 4
+
+# trick the optimizer with a variable:
+var x = valueD
+echo valueA, ord(valueA), valueB, ord(valueB), valueC, valueD, ord(valueD), x
+
+