In the scala.Predef package there are two classes <:< and <%< and both
seem to denote a unary function covariant on the input and
contravariant on the output. But what's the difference between them?
<%< will resolve to ANY suitable implicit conversion available in scope<:< will only resolve to a function representing a "conversion" from some instance to the specified superclass
In the scala.Predef package there are two classes <:< and <%< and both
seem to denote a unary function covariant on the input and
contravariant on the output. But what's the difference between them?
"My point today is that, if we wish to count lines of code, we should not regard them as "lines produced" but as "lines spent": the current conventional wisdom is so foolish as to book that count on the wrong side of the ledger" ~ Dijkstra
On 22 April 2011 15:35, Kent Tong <kent@cpttm.org.mo> wrote:
--
Kevin Wright
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"My point today is that, if we wish to count lines of code, we should not regard them as "lines produced" but as "lines spent": the current conventional wisdom is so foolish as to book that count on the wrong side of the ledger" ~ Dijkstra