diff options
Diffstat (limited to 'src/libexpr/primops.cc')
| -rw-r--r-- | src/libexpr/primops.cc | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index cea5b4202..22ac780a5 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -706,12 +706,14 @@ static RegisterPrimOp primop_genericClosure(RegisterPrimOp::Info { .arity = 1, .doc = R"( Take an *attrset* with values named `startSet` and `operator` in order to - return a *list of attrsets* by starting with the `startSet`, recursively - applying the `operator` function to each element. The *attrsets* in the - `startSet` and produced by the `operator` must each contain value named - `key` which are comparable to each other. The result is produced by - repeatedly calling the operator for each element encountered with a - unique key, terminating when no new elements are produced. For example, + return a *list of attrsets* by starting with the `startSet` and recursively + applying the `operator` function to each `item`. The *attrsets* in the + `startSet` and the *attrsets* produced by `operator` must contain a value + named `key` which is comparable. The result is produced by calling `operator` + for each `item` with a value for `key` that has not been called yet including + newly produced `item`s. The function terminates when no new `item`s are + produced. The resulting *list of attrsets* contains only *attrsets* with a + unique key. For example, ``` builtins.genericClosure { |