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Diffstat (limited to 'lib/utils.coffee')
| -rw-r--r-- | lib/utils.coffee | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/utils.coffee b/lib/utils.coffee index 661f7e84..64c87842 100644 --- a/lib/utils.coffee +++ b/lib/utils.coffee @@ -152,6 +152,23 @@ Utils = # locale-sensitive uppercase detection hasUpperCase: (s) -> s.toLowerCase() != s + # Give objects (including elements) distinct identities. + getIdentity: do -> + identities = [] + + (obj) -> + index = identities.indexOf obj + if index < 0 + index = identities.length + identities.push obj + "identity-" + index + + # Return a copy of object, but with some of its properties omitted. + copyObjectOmittingProperties: (obj, properties...) -> + obj = extend {}, obj + delete obj[property] for property in properties + obj + # This creates a new function out of an existing function, where the new function takes fewer arguments. This # allows us to pass around functions instead of functions + a partial list of arguments. Function::curry = -> |