# Syntax error: m {|(\*,a,b)|}

**URL:** <https://www.ruby-forum.com/t/syntax-error-m-a-b/108788>\
**Category:** Development\
**Created:** [July 7, 2007, 1:18am UTC](https://www.ruby-forum.com/t/syntax-error-m-a-b/108788 "2007-07-07T01:18:51Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [July 7, 2007, 1:18am UTC](https://www.ruby-forum.com/t/syntax-error-m-a-b/108788/1 "2007-07-07T01:18:51Z")

</div>

m {|(\*,a,b)|} e$B$H$$$&$N$,e(B syntax error e$B$K$J$j$^$9$,!"0U?^$;$6e(B  
e$B$k$b$N$G$O$J$$$G$7$g$&$+!#e(B

% ./ruby -vce 'm {|(_,a,b)|}’  
ruby 1.9.0 (2007-07-06 patchlevel 0) [i686-linux]  
-e:1: syntax error, unexpected ‘,’, expecting ‘)’  
m {|(_,a,b)|}  
^

e$B$J$_!"e(Bm {|(_,a)|} e$B$O$J$j$^$;$s!#e(B

% ./ruby -vce ‘m {|(\*,a)|}’  
ruby 1.9.0 (2007-07-06 patchlevel 0) [i686-linux]  
Syntax OK