From 9a8324315c74ea102e0fb0ed22c695ce78c221c7 Mon Sep 17 00:00:00 2001
From: mryouse
Date: Thu, 12 May 2022 02:32:51 +0000
Subject: native type compare methods

---
 std.py | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'std.py')

diff --git a/std.py b/std.py
index 26c6793..235d560 100644
--- a/std.py
+++ b/std.py
@@ -73,6 +73,30 @@ def std_is_string(arg):
     else:
         return NebBool(False)
 
+def std_is_int(arg):
+    if isinstance(arg, NebInt):
+        return NebBool(True)
+    else:
+        return NebBool(False)
+
+def std_is_float(arg):
+    if isinstance(arg, NebFloat):
+        return NebBool(True)
+    else:
+        return NebBool(False)
+
+def std_is_number(arg):
+    if isinstance(arg, NebNumber):
+        return NebBool(True)
+    else:
+        return NebBool(False)
+
+def std_is_bool(arg):
+    if isinstance(arg, NebBool):
+        return NebBool(True)
+    else:
+        return NebBool(False)
+
 def evaluate_expression(expr):
     if not expr.symbol.name in STD:
         raise Exception(f"no such symbol: {expr.symbol.name}")
@@ -136,5 +160,13 @@ def build_std():
     # type checking
     is_string = FuncImpl(NebFunction("string?", [NebAny], NebBool), std_is_string)
     STD["string?"] = [is_string]
+    is_int = FuncImpl(NebFunction("string?", [NebAny], NebBool), std_is_int)
+    STD["int?"] = [is_int]
+    is_float = FuncImpl(NebFunction("string?", [NebAny], NebBool), std_is_float)
+    STD["float?"] = [is_float]
+    is_number = FuncImpl(NebFunction("string?", [NebAny], NebBool), std_is_number)
+    STD["number?"] = [is_number]
+    is_bool = FuncImpl(NebFunction("string?", [NebAny], NebBool), std_is_bool)
+    STD["bool?"] = [is_bool]
 
 build_std()
-- 
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