diff options
Diffstat (limited to 'lib/stdlib/src')
| -rw-r--r-- | lib/stdlib/src/erl_posix_msg.erl | 7 | ||||
| -rw-r--r-- | lib/stdlib/src/ordsets.erl | 9 | ||||
| -rw-r--r-- | lib/stdlib/src/sets.erl | 8 |
3 files changed, 21 insertions, 3 deletions
diff --git a/lib/stdlib/src/erl_posix_msg.erl b/lib/stdlib/src/erl_posix_msg.erl index bfafca1ff7..8959fea498 100644 --- a/lib/stdlib/src/erl_posix_msg.erl +++ b/lib/stdlib/src/erl_posix_msg.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2016. All Rights Reserved. +%% Copyright Ericsson AB 1997-2018. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -64,6 +64,7 @@ message_1(eduppkg) -> <<"duplicate package name">>; message_1(eexist) -> <<"file already exists">>; message_1(efault) -> <<"bad address in system call argument">>; message_1(efbig) -> <<"file too large">>; +message_1(eftype) -> <<"EFTYPE">>; message_1(ehostdown) -> <<"host is down">>; message_1(ehostunreach) -> <<"host is unreachable">>; message_1(eidrm) -> <<"identifier removed">>; @@ -115,6 +116,7 @@ message_1(enopkg) -> <<"package not installed">>; message_1(enoprotoopt) -> <<"bad proocol option">>; message_1(enospc) -> <<"no space left on device">>; message_1(enosr) -> <<"out of stream resources or not a stream device">>; +message_1(enostr) -> <<"not a stream">>; message_1(enosym) -> <<"unresolved symbol name">>; message_1(enosys) -> <<"function not implemented">>; message_1(enotblk) -> <<"block device required">>; @@ -128,6 +130,7 @@ message_1(enotty) -> <<"inappropriate device for ioctl">>; message_1(enotuniq) -> <<"name not unique on network">>; message_1(enxio) -> <<"no such device or address">>; message_1(eopnotsupp) -> <<"operation not supported on socket">>; +message_1(eoverflow) -> <<"offset too large for file system">>; message_1(eperm) -> <<"not owner">>; message_1(epfnosupport) -> <<"protocol family not supported">>; message_1(epipe) -> <<"broken pipe">>; @@ -167,4 +170,6 @@ message_1(ewouldblock) -> <<"operation would block">>; message_1(exdev) -> <<"cross-domain link">>; message_1(exfull) -> <<"message tables full">>; message_1(nxdomain) -> <<"non-existing domain">>; +message_1(exbadport) -> <<"inet_drv bad port state">>; +message_1(exbadseq) -> <<"inet_drv bad request sequence">>; message_1(_) -> <<"unknown POSIX error">>. diff --git a/lib/stdlib/src/ordsets.erl b/lib/stdlib/src/ordsets.erl index 569407f5ef..939e147ad8 100644 --- a/lib/stdlib/src/ordsets.erl +++ b/lib/stdlib/src/ordsets.erl @@ -19,7 +19,7 @@ -module(ordsets). --export([new/0,is_set/1,size/1,to_list/1,from_list/1]). +-export([new/0,is_set/1,size/1,is_empty/1,to_list/1,from_list/1]). -export([is_element/2,add_element/2,del_element/2]). -export([union/2,union/1,intersection/2,intersection/1]). -export([is_disjoint/2]). @@ -60,6 +60,13 @@ is_set([], _) -> true. size(S) -> length(S). +%% is_empty(OrdSet) -> boolean(). +%% Return 'true' if OrdSet is an empty set, otherwise 'false'. +-spec is_empty(Ordset) -> boolean() when + Ordset :: ordset(_). + +is_empty(S) -> S=:=[]. + %% to_list(OrdSet) -> [Elem]. %% Return the elements in OrdSet as a list. diff --git a/lib/stdlib/src/sets.erl b/lib/stdlib/src/sets.erl index c65a13b22e..ac0fc80526 100644 --- a/lib/stdlib/src/sets.erl +++ b/lib/stdlib/src/sets.erl @@ -37,7 +37,7 @@ -module(sets). %% Standard interface. --export([new/0,is_set/1,size/1,to_list/1,from_list/1]). +-export([new/0,is_set/1,size/1,is_empty/1,to_list/1,from_list/1]). -export([is_element/2,add_element/2,del_element/2]). -export([union/2,union/1,intersection/2,intersection/1]). -export([is_disjoint/2]). @@ -96,6 +96,12 @@ is_set(_) -> false. Set :: set(). size(S) -> S#set.size. +%% is_empty(Set) -> boolean(). +%% Return 'true' if Set is an empty set, otherwise 'false'. +-spec is_empty(Set) -> boolean() when + Set :: set(). +is_empty(S) -> S#set.size=:=0. + %% to_list(Set) -> [Elem]. %% Return the elements in Set as a list. -spec to_list(Set) -> List when |