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-rw-r--r--runtime/doc/eval.txt18
1 files changed, 18 insertions, 0 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index b729519d93..a14221a656 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -2036,6 +2036,7 @@ insert({list}, {item} [, {idx}])
invert({expr}) Number bitwise invert
isdirectory({directory}) Number TRUE if {directory} is a directory
islocked({expr}) Number TRUE if {expr} is locked
+id({expr}) String identifier of the container
items({dict}) List key-value pairs in {dict}
jobclose({job}[, {stream}]) Number Closes a job stream(s)
jobpid({job}) Number Returns pid of a job.
@@ -4629,6 +4630,22 @@ islocked({expr}) *islocked()* *E786*
< When {expr} is a variable that does not exist you get an error
message. Use |exists()| to check for existence.
+id({expr}) *id()*
+ Returns a |String| which is a unique identifier of the
+ container type (|List|, |Dict| and |Partial|). It is
+ guaranteed that for the mentioned types `id(v1) ==# id(v2)`
+ returns true iff `type(v1) == type(v2) && v1 is v2` (note:
+ |v:_null_list| and |v:_null_dict| have the same `id()` with
+ different types because they are internally represented as
+ a NULL pointers). Currently `id()` returns a hexadecimal
+ representanion of the pointers to the containers (i.e. like
+ `0x994a40`), same as `printf("%p", {expr})`, but it is advised
+ against counting on exact format of return value.
+
+ It is not guaranteed that `id(no_longer_existing_container)`
+ will not be equal to some other `id()`: new containers may
+ reuse identifiers of the garbage-collected ones.
+
items({dict}) *items()*
Return a |List| with all the key-value pairs of {dict}. Each
|List| item is a list with two items: the key of a {dict}
@@ -5500,6 +5517,7 @@ printf({fmt}, {expr1} ...) *printf()*
%g floating point number, as %f or %e depending on value
%G floating point number, as %f or %E depending on value
%% the % character itself
+ %p representation of the pointer to the container
Conversion specifications start with '%' and end with the
conversion type. All other characters are copied unchanged to