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5.6.1.7.11 Arrows

White space before colons in lambda expressions

White space before colons in lambda expressions

Controls whether a white space is inserted before lambda arrows or not.


Insert a white space before:

Arrays.stream(x)                        
······.map((n)·->·n·*·5)                
······.filter((n)·->·{                  
·················System.out.println("Filtering:·"·+·n);
·················return·n·%·3·!=·0;     
··············})                        
······.reduce(0,·Integer::sum);         


Do not insert a white space before:

Arrays.stream(x)                        
······.map((n)->·n·*·5)                 
······.filter((n)->·{                   
·················System.out.println("Filtering:·"·+·n);
·················return·n·%·3·!=·0;     
··············})                        
······.reduce(0,·Integer::sum);         



White space before colons in lambda expressions

White space before colons in lambda expressions

Controls whether a white space is inserted after lambda arrows or not.


Insert a white space after:

Arrays.stream(x)                        
······.map((n)·->·n·*·5)                
······.filter((n)·->·{                  
·················System.out.println("Filtering:·"·+·n);
·················return·n·%·3·!=·0;     
··············})                        
······.reduce(0,·Integer::sum);         


Do not insert a white space after:

Arrays.stream(x)                        
······.map((n)·->n·*·5)                 
······.filter((n)·->{                   
·················System.out.println("Filtering:·"·+·n);
·················return·n·%·3·!=·0;     
··············})                        
······.reduce(0,·Integer::sum);