mirror of
https://github.com/kanaka/mal.git
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34 lines
454 B
Perl
34 lines
454 B
Perl
use strict;
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use warnings FATAL => qw(all);
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use readline qw(readline);
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# read
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sub READ {
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my $str = shift;
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return $str;
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}
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# eval
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sub EVAL {
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my($ast, $env) = @_;
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return eval($ast);
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}
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# print
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sub PRINT {
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my $exp = shift;
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return $exp;
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}
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# repl
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sub REP {
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my $str = shift;
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return PRINT(EVAL(READ($str), {}));
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}
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while (1) {
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my $line = readline("user> ");
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if (! defined $line) { last; }
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print(REP($line), "\n");
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}
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