structtag | Package structtag provides parsing of the defacto struct | Code Quality library
kandi X-RAY | structtag Summary
kandi X-RAY | structtag Summary
Package structtag provides parsing of the defacto struct tag style.
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Top functions reviewed by kandi - BETA
- Extract extracts a value from a qvalue .
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structtag Examples and Code Snippets
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Trending Discussions on structtag
QUESTION
I need to create StructField, in which I need to pass reflect.Type value for the Type field. I would like to pass other types like reflect.Bool, reflect.Int to function which will be used in the construction of StructField. I cannot do this with the code below
...ANSWER
Answered 2021-May-27 at 13:18reflect.Type is a type, and so the expression
QUESTION
This is my code for parsing xml. At the end of the function, I should have values of fields of a struct in the values slice.
...ANSWER
Answered 2021-May-27 at 12:19Need to make a pointer to struct instead of a value and pass pointer's value, which can by retrieved Interface() function, to Unmarshal instead of it itself.
QUESTION
I have a question about type assertions between a struct generated with reflect and a normal struct.
I know that this is a very limited use cases, but I would still like to know why it won't work.
...ANSWER
Answered 2020-Jun-08 at 07:59Because that's not how type assertion works:
QUESTION
I'm trying to parse JSON files by using dynamically created structs, but apparently I'm doing something wrong. Can somebody please tell we what am I doing wrong here:
...ANSWER
Answered 2020-May-07 at 22:54reflect.New returns a value representing a pointer. Change line 69:
QUESTION
type A struct {
Name *NameS `json:"name"`
}
ANSWER
Answered 2019-Aug-08 at 14:01There is no built-in method/function to do this. The existing FieldBy* methods in reflect are implemented as loops (see `src/reflect/type.go). You can also write a loop to implement what you need here. One approach could be something like:
QUESTION
I was trying to analyse the GO program, when I encountered this line
"binTag := field.Tag.Get("binary")"
I was confused with value that "binTag" will be assigned.
I searched in the GO reflect Package for the syntax explanation and I found this,
func (tag StructTag) Get(key string) string
Get returns the value associated with key in the tag string. If there is no such key in the tag, Get returns the empty string. If the tag does not have the conventional format, the value returned by Get is unspecified. To determine whether a tag is explicitly set to the empty string, use Lookup.
Then I searched what is Tag mean in Golang, as an example I got this
Tag
A field declaration may be followed by an optional string literal (tag) which becomes an attribute of all the fields in the corresponding field declaration.
...ANSWER
Answered 2018-Dec-11 at 05:08See the StructTag documentation for a description of the tag format.
See the StructTag example and the StructTag.Lookup examples examples of tags.
The value of binTag is "" because the tag does not contain a value for the key "binary", nor does the tag following the convention for formatting struct tags.
This code shows how to access the tag:
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