--reject-with icmp-port-unreachable -A KUBE-SERVICES -d 10.96.61.252/32 -p tcp -m comment --comment "default/nginx-64: has no endpoints" -m tcp --dport 80 -j REJECT --reject-with icmp-port-unreachable -A KUBE-SERVICES --reject-with icmp-port-unreachable -A KUBE-SERVICES -d 10.98.85.41/32 -p tcp -m comment --comment "default/nginx-9: has no endpoints" -m tcp --dport 80 -j REJECT --reject-with icmp-port-unreachable -A KUBE-SERVICES --reject-with icmp-port-unreachable -A KUBE-SERVICES -d 10.106.49.80/32 -p tcp -m comment --comment "default/nginx-37: has no endpoints" -m tcp --dport 80 -j REJECT --reject-with icmp-port-unreachable -A KUBE-SERVICES

void (none) Always the value void{} noreturn (none) the type of break , continue , return , unreachable , and while (true) {} type (none) the type of types anyerror (none) an error code comptime_int u3 const unwrapped unwrapped == 123 Optional Unwrap a.? Optionals Equivalent to: a orelse unreachable const value: ?u3 value.? == 5678 Defaulting Error Unwrap a catch b a catch |err| b Error Unions fields" { const x: Foo = .{ .b = 5, }; if (x.a + x.b != 1239) { comptime unreachable; } } Shell $ zig test struct_default_field_values.zig 1/1 struct_default_field_values.test

true or false void (none) 0 bit type noreturn (none) the type of break, continue, goto, return, unreachable, and while (true) {} type (none) the type of types error (none) an error code See also: Integers unwrapped == 1234 Note that b may be a value of type noreturn. ??a Nullables Equivalent to: a ?? unreachable const value: ?u32 = 5678; ??value == 5678 a %% b a %% |err| b Error Unions If a is an error null; const unwrapped = value %% 1234; unwrapped == 1234 %%a Error Unions Equivalent to: a %% unreachable const value: %u32 = 5678; %%value == 5678 a and b bool If a is false, returns false without

size_t  auto(x): decay-copy in The Language  #elifdef, #elifndef, and #warning  Marking Unreachable Code  Assumptions  Named Universal Character Escapes  Trim Whitespace Before Line Splicing size_t  auto(x): decay-copy in The Language  #elifdef, #elifndef, and #warning  Marking Unreachable Code  Assumptions  Named Universal Character Escapes  Trim Whitespace Before Line Splicing size_t  auto(x): decay-copy in The Language  #elifdef, #elifndef, and #warning  Marking Unreachable Code  Assumptions  Named Universal Character Escapes  Trim Whitespace Before Line Splicing

bool true or false void (none) 0 bit type noreturn (none) the type of break, continue, return, unreachable, and while (true) {} type (none) the type of types error (none) an error code See also: Integers unwrapped == 1234 ??a Nullables Equivalent to: const value: ?u32 = 567 ??value == 5678 a ?? unreachable a catch b a catch |err| b Error Unions If a is an error, returns b ("default value"), otherwise switch (i) { 0 => f32, 1 => i8, 2 => bool, else => unreachable, }; sum += typeNameLength(T); } assert(sum == 9); } fn typeNameLength(comptime

while with Optionals while with Error Unions inline while for Labeled for inline for if defer unreachable Basics At Compile-Time noreturn Functions Pass-by-value Parameters Function Reflection Errors Debug ReleaseFast ReleaseSafe ReleaseSmall Single Threaded Builds Undefined Behavior Reaching Unreachable Code Index out of Bounds Cast Negative Number to Unsigned Integer Cast Truncates Data Integer Overflow bool true or false void (none) 0 bit type noreturn (none) the type of break, continue, return, unreachable, and while (true) {} type (none) the type of types anyerror (none) an error code comptime_int

bool true or false void (none) 0 bit type noreturn (none) the type of break, continue, return, unreachable, and while (true) {} type (none) the type of types anyerror (none) an error code comptime_int const value: ?u3 const unwrapped unwrapped == 123 a.? Optionals Equivalent to: a orelse unreachable const value: ?u3 value.? == 5678 a catch b a catch |err| b Error Unions If a is an error, returns (c) { ComplexTypeTag.ok => |value| expect(value == 42), ComplexTypeTag.not_ok => unreachable, } } test "@TagType" { expect(@TagType(ComplexType) == ComplexTypeTag); } test "coerce

void (none) Always the value void{} noreturn (none) the type of break , continue , return , unreachable , and while (true) {} type (none) the type of types anyerror (none) an error code comptime_int nu 2 const unwrapped = value 3 unwrapped == 1234 a.? Optionals Equivalent to: 1 a orelse unreachable 1 const value: ?u32 = 567 2 value.? == 5678 a catch b a catch |err| b Error Unions If a is ComplexTypeTag.ok => |value| try expect(value == 42), 19 ComplexTypeTag.not_ok => unreachable, 20 } 21 } 22 23 test "get tag type" { 24 try expect(std.meta.Tag(ComplexType) == ComplexTypeTag);

bool true or false void (none) 0 bit type noreturn (none) the type of break, continue, return, unreachable, and while (true) {} type (none) the type of types anyerror (none) an error code comptime_int const value: ?u3 const unwrapped unwrapped == 123 a.? Optionals Equivalent to: a orelse unreachable const value: ?u3 value.? == 5678 a catch b a catch |err| b Error Unions If a is an error, returns ComplexTypeTag.ok => |value| try expect(value == 42), ComplexTypeTag.not_ok => unreachable, } } test "get tag type" { try expect(std.meta.Tag(ComplexType) == ComplexTypeTag); }

while with Optionals while with Error Unions inline while for Labeled for inline for if defer unreachable Basics At Compile-Time noreturn Functions Pass-by-value Parameters Function Reflection Errors Debug ReleaseFast ReleaseSafe ReleaseSmall Single Threaded Builds Undefined Behavior Reaching Unreachable Code Index out of Bounds Cast Negative Number to Unsigned Integer Cast Truncates Data Integer Overflow bool true or false void (none) 0 bit type noreturn (none) the type of break, continue, return, unreachable, and while (true) {} type (none) the type of types anyerror (none) an error code comptime_int