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-rw-r--r--neb/std/sys.py8
1 files changed, 4 insertions, 4 deletions
diff --git a/neb/std/sys.py b/neb/std/sys.py
index 98266f2..61e83c2 100644
--- a/neb/std/sys.py
+++ b/neb/std/sys.py
@@ -12,13 +12,13 @@ def interpretArgv(symbol, args, env, ns):
out.append(String(arg))
return List(out)
-SYS.register("argv", Builtin("argv", interpretArgv, []))
+SYS.register("argv", Builtin("argv", interpretArgv, [], return_type=Type(":list")))
def interpretShell(symbol, args, env, ns):
ret = subprocess.run(shlex.split(args[0].value), capture_output=True)
return List([String(r) for r in ret.stdout.decode("utf-8").split("\n")])
-SYS.register("$", Builtin("$", interpretShell, [Arg("command", TypeEnum.STRING)]))
+SYS.register("$", Builtin("$", interpretShell, [Arg("command", TypeEnum.STRING)], return_type=Type(":list")))
def interpretExit(symbol, args, env, ns):
status = 0 if len(args) == 0 else args[0].value
@@ -26,10 +26,10 @@ def interpretExit(symbol, args, env, ns):
return List([])
exit_arg = Arg("status", TypeEnum.INT, optional=True)
-SYS.register("exit", Builtin("exit", interpretExit, [exit_arg]))
+SYS.register("exit", Builtin("exit", interpretExit, [exit_arg], return_type=Type(":list")))
def interpretPrint(symbol, args, env, ns):
print(args[0].value)
return List([]) # print returns nothing
-SYS.register("print", Builtin("print", interpretPrint, [Arg("arg", TypeEnum.STRING)]))
+SYS.register("print", Builtin("print", interpretPrint, [Arg("arg", TypeEnum.STRING)], return_type=Type(":list")))