diff options
| -rw-r--r-- | test/readme.lua | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/test/readme.lua b/test/readme.lua index 79e165a..dd39dac 100644 --- a/test/readme.lua +++ b/test/readme.lua @@ -73,6 +73,10 @@ local function run_example(name, code) return run(name, format('return %s', code)) end +local function get_meta_function(t, fname) + return rawget(getmetatable(t) or {}, fname) +end + local function table2str(t) local nt = {} for i=1,#t do @@ -90,7 +94,7 @@ local function pack2str(t) if vt == 'nil' then new[i] = 'nil' elseif vt == 'table' then - local tostr = rawget(getmetatable(v) or {}, "__tostring") or table2str + local tostr = get_meta_function(v, '__tostring') or table2str new[i] = tostr(v) else new[i] = format('%s "%s"', vt, v) @@ -100,8 +104,8 @@ local function pack2str(t) end local function compare_tables(a, b) - local aeq = rawget(getmetatable(a) or {}, "__eq") - local beq = rawget(getmetatable(b) or {}, "__eq") + local aeq = get_meta_function(a, '__eq') + local beq = get_meta_function(b, '__eq') if aeq or beq then if aeq ~= beq then return false end if a ~= b then return false end |