[go-nuts] I found a very strange code that would cause deadlocks and blocking，why???

[mountainfpf]

dead lock：

package main

import (
    "fmt"
    // _ "github.com/go-sql-driver/mysql"
)

func main() {
    c1 := make(chan int, 10)
    fmt.Println(<-c1)
}


block：

package main

import (
    "fmt"

    _ "github.com/go-sql-driver/mysql"
)

func main() {
    c1 := make(chan int, 10)
    fmt.Println(<-c1)
}

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