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Eric Milles commented on GROOVY-11014: -------------------------------------- Before Groovy 4.0.5, there's a block in {{WideningCategories}} for this: {code:java} if (isNumberType(a.redirect()) && isNumberType(b.redirect())) { ClassNode ua = getUnwrapper(a); ClassNode ub = getUnwrapper(b); Integer pa = NUMBER_TYPES_PRECEDENCE.get(ua); Integer pb = NUMBER_TYPES_PRECEDENCE.get(ub); if (pa != null && pb != null) { return (pa <= pb ? a : b); } } {code} > CompileStatic & Elvis operator: Cannot assign literal value of type > (java.lang.Number or java.lang.Comparable) to variable of type double > ----------------------------------------------------------------------------------------------------------------------------------------- > > Key: GROOVY-11014 > URL: https://issues.apache.org/jira/browse/GROOVY-11014 > Project: Groovy > Issue Type: Bug > Components: Compiler > Affects Versions: 4.0.5 > Reporter: Jason Garrett > Priority: Minor > > {code:java} > import groovy.transform.CompileStatic > @CompileStatic > class ElvisLiteralAssign { > Double x = null > double y = x?.doubleValue() ?: 0 > } {code} > This class fails to compile with error: [Static type checking] - Cannot > assign value of type (java.lang.Number or java.lang.Comparable) to variable > of type double > This affects at least 4.0.10 and 4.0.11, and does not affect 3.0.16 or 3.0.17. -- This message was sent by Atlassian Jira (v8.20.10#820010)