Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

Chapter4.test
# RUN: Kaleidoscope-Ch4 < %s 2>&1 | FileCheck %s
# REQUIRES: default_triple

# Test basic definition, binding, and execution.
def foo(x) x + 1;
def bar(x) foo(2 * x);
bar(2);
# CHECK: Evaluated to 5.000000