Scala for the Impatient

Index

Symbols and Numbers

- (minus sign)

in identifiers, 132

operator:

arithmetic, 5

for collections, 163–164

for maps, 43

for type parameters, 237

left-associative, 135

precedence of, 134

unary, 10, 133

-- operator

arithmetic, 6

for collections, 163–164

for sets, 162–163

_ (underscore)

as wildcard:

for XML elements, 220

in case clauses, 25, 184–185, 221, 292

in imports, 7, 70, 79–80

in tuples, 45

for function calls, 144, 254

for function parameters, 146

in identifiers, 131, 283

_* syntax

for arrays, 187

for nested structures, 192

in function arguments, 22

in pattern matching, 221

_=, in setter methods, 51

_1, _2, _3 methods, 45

; (semicolon)

after statements, 4, 14–16

inside loops, 19–20

: (colon)

followed by annotations, 201

in case clauses, ...