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Added macro 'luaL_pushfail'

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The macro 'luaL_pushfail' documents all places in the standard libraries
that return nil to signal some kind of failure. It is defined as
'lua_pushnil'. The manual also got a notation (@fail) to document those
returns. The tests were changed to be agnostic regarding whether 'fail'
is 'nil' or 'false'.
This commit is contained in:
Roberto Ierusalimschy 2019-08-16 14:58:02 -03:00
parent ca13be9af7
commit b96b0b5abb
20 changed files with 176 additions and 154 deletions
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4
lauxlib.h
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@ -153,6 +153,10 @@ LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
#define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL)
/* push the value used to represent failure/error */
#define luaL_pushfail(L) lua_pushnil(L)
/*
** {======================================================
** Generic Buffer manipulation