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add documentation

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This commit is contained in:
alexlamsl 2017-02-02 01:52:05 +08:00
parent 73a9aa0c06
commit 5088aeedac
1 changed files with 3 additions and 2 deletions
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5
lib/ast.js
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@ -585,10 +585,11 @@ var AST_New = DEFNODE("New", null, {
var AST_Seq = DEFNODE("Seq", "car cdr", {
$documentation: "A sequence expression (two comma-separated expressions)",
$propdoc: {
car: "[AST_Node] first element in sequence",
cdr: "[AST_Node] second element in sequence"
car: "[AST_Node] first element in sequence (should not be instanceof AST_Seq or null)",
cdr: "[AST_Node] second element in sequence (should not be null)"
},
$cons: function(x, y) {
// TODO: Remove these sanity checks at the end of PR
if (!x) {
throw new Error('AST_Seq.car missing');
}