Created
April 6, 2015 15:50
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| #lang racket | |
| (define ns (make-base-namespace)) | |
| (namespace-attach-module (current-namespace) ''#%builtin ns) | |
| (define args (contract (vectorof string?) (vector "a") 'pos 'neg)) | |
| (parameterize ([current-namespace ns]) | |
| (define current-args | |
| (namespace-variable-value 'current-command-line-arguments ns)) | |
| (parameterize ([current-args args]) | |
| args)) |
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Gives error:
current-command-line-arguments: contract violation
expected: (vectorof string?)
given: '#("a")