delay-bad.scala:53: warning: a pure expression does nothing in statement position; multiline expressions may require enclosing parentheses f(new C { 5 }) ^ delay-bad.scala:73: warning: a pure expression does nothing in statement position; multiline expressions may require enclosing parentheses f(new { val x = 5 } with E() { 5 }) ^ warning: there was one deprecation warning (since 2.11.0); re-run with -deprecation for details // new C { } -A -B -C // new C { 5 } -A -B -C A+ B+ C+ // new D() -A -B -C -D A+ B+ C+ D+ // new D() { } -A -B -C -D A+ B+ C+ D+ // new D() { val x = 5 } -A -B -C -D A+ B+ C+ D+ A+ B+ C+ D+ // new { val x = 5 } with D() -A -B -C -D A+ B+ C+ D+ // new E() { val x = 5 } -A -B -C -D A+ B+ C+ D+ E+ -E A+ B+ C+ D+ E+ A+ B+ C+ D+ E+ // new { val x = 5 } with E() -A -B -C -D A+ B+ C+ D+ E+ -E A+ B+ C+ D+ E+ // new { val x = 5 } with E() { } -A -B -C -D A+ B+ C+ D+ E+ -E A+ B+ C+ D+ E+ // new { val x = 5 } with E() { 5 } -A -B -C -D A+ B+ C+ D+ E+ -E A+ B+ C+ D+ E+ A+ B+ C+ D+ E+