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Make CharSequence.length a function instead of property

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And String.length as well.

This is done for JVM interoperability: java.lang.CharSequence is an open class
and has a function 'length()' which should be implemented in subclasses
somehow.

A minor unexpected effect of this is that String.length() is now a compile-time
constant (it wasn't such as a property because properties are not supported in
compile-time constant evaluation)

 #KT-3571 Fixed
This commit is contained in:
Alexander Udalov
2014-11-26 18:50:04 +03:00
parent 6b8da062a4
commit a7b88e9485
159 changed files with 265 additions and 313 deletions
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compiler/testData/diagnostics/tests/QualifiedExpressions.kt
+7 -7
View File
@@ -1,12 +1,12 @@
package qualified_expressions
fun test(s: String?) {
val <!UNUSED_VARIABLE!>a<!>: Int = <!TYPE_MISMATCH!>s?.length<!>
val b: Int? = s?.length
val <!UNUSED_VARIABLE!>c<!>: Int = s?.length ?: -11
val <!UNUSED_VARIABLE!>d<!>: Int = s?.length ?: <!TYPE_MISMATCH!>"empty"<!>
val e: String = <!TYPE_MISMATCH!>s?.length<!> ?: "empty"
val <!UNUSED_VARIABLE!>f<!>: Int = s?.length ?: b ?: 1
fun test(s: IntRange?) {
val <!UNUSED_VARIABLE!>a<!>: Int = <!TYPE_MISMATCH!>s?.start<!>
val b: Int? = s?.start
val <!UNUSED_VARIABLE!>c<!>: Int = s?.start ?: -11
val <!UNUSED_VARIABLE!>d<!>: Int = s?.start ?: <!TYPE_MISMATCH!>"empty"<!>
val e: String = <!TYPE_MISMATCH!>s?.start<!> ?: "empty"
val <!UNUSED_VARIABLE!>f<!>: Int = s?.end ?: b ?: 1
val <!UNUSED_VARIABLE!>g<!>: Boolean? = e.startsWith("s")//?.length
}