2011/9/26 ru <[email protected]> > > That's exactly means evaluation of argument that's contradict to > mentioned above documentation! > > On 26 сен, 18:18, Tassilo Horn <[email protected]> wrote: > > > Ok, this is working! But, what's the difference? > > > > Your code: > > > > user=> (defmacro infix [e] `(let [[x# f# y#] ~e] (f# x# y#))) > > > > The ~e evaluates the given form, which looks like a function but is not. > > > > In other words, your version of infix expands to approximately: (let [x_1 f_2 y_3] (5 + 4)] (f_2 x_1 y_3)) and the destructuring in "let" is what causes the problem at runtime.
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