unexpected_paren.coffee

this_kind_of_error = "breaks things unexpectedly"

i_object = {}
i_object["#{this_kind_of_error}"] = "OK so far"

another_object = {"#{this_kind_of_error}": "this is not what I expected"}

"""
$ coffee -c unexpected_paren.coffee
Error: In unexpected_paren.coffee, Parse error on line 6: Unexpected '('
    at Object.parseError (/usr/local/lib/node/.npm/coffee-script/1.0.1/package/lib/parser.js:470:11)
    at Object.parse (/usr/local/lib/node/.npm/coffee-script/1.0.1/package/lib/parser.js:540:22)
    at Object.compile (/usr/local/lib/node/.npm/coffee-script/1.0.1/package/lib/coffee-script.js:26:22)
    at /usr/local/lib/node/.npm/coffee-script/1.0.1/package/lib/command.js:117:33
    at /usr/local/lib/node/.npm/coffee-script/1.0.1/package/lib/command.js:85:26
    at fs:84:13
    at node.js:773:9
"""

# ... but there is no paren on line 6!