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rename __tostring to __to_string
author Franklin Schmidt <fschmidt@gmail.com>
date Sat, 02 May 2015 20:13:24 -0600
parents df95199ca4c0
children eddf7c73373b
comparison
equal deleted inserted replaced
428:df95199ca4c0 429:e3a6d9dbd694
2288 (For complete control of how numbers are converted, 2288 (For complete control of how numbers are converted,
2289 use <a href="#pdf-string.format"><code>string.format</code></a>.) 2289 use <a href="#pdf-string.format"><code>string.format</code></a>.)
2290 2290
2291 2291
2292 <p> 2292 <p>
2293 If the metatable of <code>v</code> has a <code>"__tostring"</code> field, 2293 If the metatable of <code>v</code> has a <code>"__to_string"</code> field,
2294 then <code>tostring</code> calls the corresponding value 2294 then <code>tostring</code> calls the corresponding value
2295 with <code>v</code> as argument, 2295 with <code>v</code> as argument,
2296 and uses the result of the call as its result. 2296 and uses the result of the call as its result.
2297 2297
2298 2298
5227 5227
5228 <p> 5228 <p>
5229 In case of unprotected errors in the script, 5229 In case of unprotected errors in the script,
5230 the interpreter reports the error to the standard error stream. 5230 the interpreter reports the error to the standard error stream.
5231 If the error object is not a string but 5231 If the error object is not a string but
5232 has a metamethod <code>__tostring</code>, 5232 has a metamethod <code>__to_string</code>,
5233 the interpreter calls this metamethod to produce the final message. 5233 the interpreter calls this metamethod to produce the final message.
5234 Otherwise, the interpreter converts the error object to a string 5234 Otherwise, the interpreter converts the error object to a string
5235 and adds a stack traceback to it. 5235 and adds a stack traceback to it.
5236 5236
5237 5237