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DOC-4213 string code examples #3102

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173 changes: 173 additions & 0 deletions doctests/string_example_test.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,173 @@
// EXAMPLE: set_tutorial
// HIDE_START
package example_commands_test

import (
"context"
"fmt"

"github.com/redis/go-redis/v9"
)

// HIDE_END
func ExampleClient_set_get() {
ctx := context.Background()

rdb := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password docs
DB: 0, // use default DB
})

// REMOVE_START
rdb.Del(ctx, "bike:1")
// REMOVE_END

// STEP_START set_get
res1, err := rdb.Set(ctx, "bike:1", "Deimos", 0).Result()

if err != nil {
panic(err)
}

fmt.Println(res1) // >>> OK

res2, err := rdb.Get(ctx, "bike:1").Result()

if err != nil {
panic(err)
}

fmt.Println(res2) // >>> Deimos
// STEP_END

// Output:
// OK
// Deimos
}

func ExampleClient_setnx_xx() {
ctx := context.Background()

rdb := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password docs
DB: 0, // use default DB
})

// REMOVE_START
rdb.Set(ctx, "bike:1", "Deimos", 0)
// REMOVE_END

// STEP_START setnx_xx
res3, err := rdb.SetNX(ctx, "bike:1", "bike", 0).Result()

if err != nil {
panic(err)
}

fmt.Println(res3) // >>> false

res4, err := rdb.Get(ctx, "bike:1").Result()

if err != nil {
panic(err)
}

fmt.Println(res4) // >>> Deimos

res5, err := rdb.SetXX(ctx, "bike:1", "bike", 0).Result()

if err != nil {
panic(err)
}

fmt.Println(res5) // >>> OK
// STEP_END

// Output:
// false
// Deimos
// true
}

func ExampleClient_mset() {
ctx := context.Background()

rdb := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password docs
DB: 0, // use default DB
})

// REMOVE_START
rdb.Del(ctx, "bike:1", "bike:2", "bike:3")
// REMOVE_END

// STEP_START mset
res6, err := rdb.MSet(ctx, "bike:1", "Deimos", "bike:2", "Ares", "bike:3", "Vanth").Result()

if err != nil {
panic(err)
}

fmt.Println(res6) // >>> OK

res7, err := rdb.MGet(ctx, "bike:1", "bike:2", "bike:3").Result()

if err != nil {
panic(err)
}

fmt.Println(res7) // >>> [Deimos Ares Vanth]
// STEP_END

// Output:
// OK
// [Deimos Ares Vanth]
}

func ExampleClient_incr() {
ctx := context.Background()

rdb := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password docs
DB: 0, // use default DB
})

// REMOVE_START
rdb.Del(ctx, "total_crashes")
// REMOVE_END

// STEP_START incr
res8, err := rdb.Set(ctx, "total_crashes", "0", 0).Result()

if err != nil {
panic(err)
}

fmt.Println(res8) // >>> OK

res9, err := rdb.Incr(ctx, "total_crashes").Result()

if err != nil {
panic(err)
}

fmt.Println(res9) // >>> 1

res10, err := rdb.IncrBy(ctx, "total_crashes", 10).Result()

if err != nil {
panic(err)
}

fmt.Println(res10) // >>> 11
// STEP_END

// Output:
// OK
// 1
// 11
}
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