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* AST and syntax for delimited control * stashing for later * a little more progress * progress on delimited continuations * delimit, suspend, and resume implemented (draft) * example that generates the natural numbers * fixes * tinkering * changed demo to experimental * comments and name changes * describe delimited continuations in the README * renamed Snapshot to Continuation, edits to comments * Update executable_semantics/ast/statement.h improve comment for MakeDelimitStmt Co-authored-by: Dave Abrahams <dabrahams@google.com> * Update executable_semantics/interpreter/interpreter.cpp remove snake_case Co-authored-by: Dave Abrahams <dabrahams@google.com> * edits to comments, change name of variable * updates to handle review edits * trailing whitespace * fixes to delimited continuations, added more tests, also fixed assignment to do a copy * improvements from Geoffrey * new test from Geoffrey, fix for empty blocks * more suggestions from Geoffrey * more tests for delimited continuations, renaming some of them * renamed test files * improve a comment * sketch of creating continuation * initial implementation of shift/reset style continuations * more documentation * fix some camel case * implemented deep copy of continuations, added a test case for it * fixed a bug and got the recursive test case working * removed __delimit, polished up __continuation * back to shallow copy for continuations * suggestions from Geoffrey * removed structured binding (for now) * Update executable_semantics/ast/expression.cpp Co-authored-by: Geoff Romer <gromer@google.com> * responses to Geoffrey Co-authored-by: Dave Abrahams <dabrahams@google.com> Co-authored-by: Geoff Romer <gromer@google.com>
16 lines
377 B
Plaintext
16 lines
377 B
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// Test that assignment performs a copy and does not create an alias.
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fn main() -> Int {
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var Int: x = -1;
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{
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var Int: y = 0;
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x = y;
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// y dies here
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}
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return x;
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}
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