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go
golang
Commits
c5b056f2
Commit
c5b056f2
authored
Oct 05, 2009
by
Russ Cox
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update json comments
R=r DELTA=16 (4 added, 2 deleted, 10 changed) OCL=35320 CL=35331
parent
ff97fde2
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1 changed file
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14 additions
and
12 deletions
+14
-12
struct.go
src/pkg/json/struct.go
+14
-12
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src/pkg/json/struct.go
View file @
c5b056f2
...
...
@@ -179,10 +179,8 @@ func (b *_StructBuilder) Key(k string) Builder {
}
if
v
,
ok
:=
reflect
.
Indirect
(
b
.
val
)
.
(
*
reflect
.
StructValue
);
ok
{
t
:=
v
.
Type
()
.
(
*
reflect
.
StructType
);
if
field
,
ok
:=
t
.
FieldByName
(
k
);
ok
{
return
&
_StructBuilder
{
v
.
FieldByIndex
(
field
.
Index
)
}
}
// Again, case-insensitive.
// Case-insensitive field lookup.
k
=
strings
.
ToLower
(
k
);
for
i
:=
0
;
i
<
t
.
NumField
();
i
++
{
if
strings
.
ToLower
(
t
.
Field
(
i
)
.
Name
)
==
k
{
return
&
_StructBuilder
{
v
.
Field
(
i
)
}
...
...
@@ -194,21 +192,21 @@ func (b *_StructBuilder) Key(k string) Builder {
// Unmarshal parses the JSON syntax string s and fills in
// an arbitrary struct or array pointed at by val.
// It uses the reflect
ion library
to assign to fields
// It uses the reflect
package
to assign to fields
// and arrays embedded in val. Well-formed data that does not fit
// into the struct is discarded.
//
// For example, given the
following
definitions:
// For example, given the
se
definitions:
//
// type Email struct {
//
w
here string;
//
a
ddr string;
//
W
here string;
//
A
ddr string;
// }
//
// type Result struct {
//
n
ame string;
//
p
hone string;
//
emails
[]Email
//
N
ame string;
//
P
hone string;
//
Email
[]Email
// }
//
// var r = Result{ "name", "phone", nil }
...
...
@@ -241,9 +239,13 @@ func (b *_StructBuilder) Key(k string) Builder {
// }
// }
//
// Note that the field r.
p
hone has not been modified and
// Note that the field r.
P
hone has not been modified and
// that the JSON field "address" was discarded.
//
// Because Unmarshal uses the reflect package, it can only
// assign to upper case fields. Unmarshal uses a case-insensitive
// comparison to match JSON field names to struct field names.
//
// On success, Unmarshal returns with ok set to true.
// On a syntax error, it returns with ok set to false and errtok
// set to the offending token.
...
...
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