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authorMichał Zieliński <michal@zielinscy.org.pl>2014-01-26 17:06:21 +0100
committerMichał Zieliński <michal@zielinscy.org.pl>2014-01-26 17:06:21 +0100
commite0e0b409e49b53e9c95de6fcb0372707b3869de6 (patch)
treef4128f64551d3de5fd2e21ab53686bf370ee21a8 /tests/parser/toprprec.nim
parentad1a0c51e265eaaa977dd35654f9a3136983e2fa (diff)
parent5d712e0d3f9f5b8e486720c8bedd749656b527d8 (diff)
downloadNim-e0e0b409e49b53e9c95de6fcb0372707b3869de6.tar.gz
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel
Conflicts:
	lib/pure/osproc.nim
Diffstat (limited to 'tests/parser/toprprec.nim')
-rw-r--r--tests/parser/toprprec.nim39
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/parser/toprprec.nim b/tests/parser/toprprec.nim
new file mode 100644
index 000000000..ce33934b5
--- /dev/null
+++ b/tests/parser/toprprec.nim
@@ -0,0 +1,39 @@
+discard """
+  file: "toprprec.nim"
+  output: "done"
+"""
+# Test operator precedence: 
+
+template `@` (x: expr): expr {.immediate.} = self.x
+template `@!` (x: expr): expr {.immediate.} = x
+template `===` (x: expr): expr {.immediate.} = x
+
+type
+  TO = object
+    x: int
+  TA = tuple[a, b: int, obj: TO]
+  
+proc init(self: var TA): string =
+  @a = 3
+  === @b = 4
+  @obj.x = 4
+  @! === result = "abc"
+  result = @b.`$`
+
+assert 3+5*5-2 == 28- -26-28
+
+proc `^-` (x, y: int): int =  
+  # now right-associative!
+  result = x - y
+  
+assert 34 ^- 6 ^- 2 == 30
+assert 34 - 6 - 2 == 26
+
+
+var s: TA
+assert init(s) == "4"
+
+echo "done"
+
+
+