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各个类型的value部分，进行copy所需要的字节数
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关于各个类型部分内置function部分的
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ways to concatenate strings
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+ 少于6个strings推荐使用
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strings.Join方法
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fmt.Sprintf以及fmt.Sprint
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Buffer方法？
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ways to block current goroutine forever
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select{} -
<-chan struct{}(nil) -
send value to a channel which no ones will receive values from
make(chan struct{}) <- struct{}{}- receive from a channel which no values will be sent to
<-make(chan struct{}) -
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Expressions which can return an optional additional bool return value
包括三类
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map
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channel
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type assertion
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Types which don’t support comparisons
- map
- slice
- function
- struct types containing incomparable fields
- array types with incomparable elements
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Values that can taken addresses
- variables
- fields of addressable structs
- elements of addressable arrays
- elements of any slices (whether the slices are addressable or not)
- pointer dereference operations
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Values that can’t taken addresses
- bytes in strings
- map elements(?)
- dynamic values of interface values (exposed by type assertions)
- constant values
- literal values
- package level functions (这个试验一下)
- methods (used as function values)
- intermediate values
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Types which zero values can be represented with nil
这里列举一些
nil所需要的字节数Type (T) Size Of T(nil) pointer 1 word slice 3 words map 1 word channel 1 word function 1 word interface 2 words